University of Michigan Library
LocationAnn Arbor, Michigan
Established1838 (186 years ago)
Branch ofUniversity of Michigan
Size14,543,814 volumes (Ann Arbor Library) as of 2019–2020 with 16,025,996 volumes held by all university libraries
Other information
DirectorLisa Carter

The University of Michigan Library is the academic library system of the University of Michigan. The university's 38 constituent and affiliated libraries together make it the second largest research library by number of volumes in the United States.

As of 2019–20, the University Library contained more than 14,543,814 volumes, while all campus library systems combined held more than 16,025,996 volumes. As of the 2019–2020 fiscal year, the Library also held 221,979 serials, and over 4,239,355 annual visits.[1]

Founded in 1838, the University Library is the university's main library and is housed in 12 buildings with more than 20 libraries,[2] among the most significant of which are the Shapiro Undergraduate Library, Hatcher Graduate Library, Special Collections Library, and Taubman Health Sciences Library.[3] However, several U-M libraries are independent of the University Library: the Bentley Historical Library, the William L. Clements Library, the Gerald R. Ford Library, the Kresge Business Administration Library of the Ross School of Business, and the Law Library of the University of Michigan Law School. The University Library is also separate from the libraries of the University of Michigan–Dearborn (Mardigian Library) and the University of Michigan–Flint (Frances Willson Thompson Library).[3]

The University of Michigan was the original home of the JSTOR database, which contains about 750,000 digitized pages from the entire pre-1990 backfile of ten journals of history and economics. In December 2004, the University of Michigan announced a book digitization program in collaboration with Google (known as Michigan Digitization Project), which is both revolutionary and controversial.[4] Books scanned by Google are included in HathiTrust, a digital library created by a partnership of major research institutions. As of March 2014, the following collections had been digitized: Art, Architecture and Engineering Library; Bentley Historical Library; Buhr Building (large portions); Dentistry Library (portions); Fine Arts Library (large portions); Hatcher Graduate Library (large portions); Herbarium Library; Kresge Business Administration Library; Law Library (portions); Museums Library; Music Library (large portions); Shapiro Undergraduate Library (large portions); Special Collections Research Library (portions); Taubman Health Sciences Library (large portions);

Responding to restricted public funding and the rising costs of print materials, the library has launched significant new ventures that use digital technology to provide cost-effective and permanent alternatives to traditional print publication. The University Library is also an educational organization in its own right, offering a full range of courses, resources, support, and training for students, faculty, and researchers.

The University Librarian and Dean of Libraries is Lisa R. Carter, whose term began on May 1, 2023.[5][6]


The Michigan Legislature created the University of Michigan in Ann Arbor in 1838, and that year allocated funding for a library.[7] The next year (three years before classes began), the Board of Regents of the University of Michigan acquired the University Library's first volume, John James Audubon's Birds of America, purchased at a cost of $970.[8] (The book is now displayed in the Hatcher Gallery Exhibit Room). Also in 1838, the university's first professor, Asa Gray (known as the "father of American botany"), was entrusted with a $5,000 budget to establish the first collection of books for the University Library; he purchased 3,400 volumes.[9]

Before the university's first years, books were stored in various places around campus, including at the Law School and in various professors' homes.[7] In 1856, the North Wing of the University Building was remodeled, and books centralized in the university's Library and Museum there.[7] In 1863, the Library moved to the Law Building.[7] In 1883, with Raymond Cazallis Davis (chief librarian) as a motivating force in its completion, the university's first library building was finished. Within twelve years of its construction the building was already too small for the growing collection.[7] Between 1870 and 1940 the collection grew rapidly, from 17,000 to 941,500.[7]

In 1890, the University Library inaugurated a handwritten card catalog system, which later changed to typed cards and, after 1900, to printed cards from the Library of Congress.[7] By 1895, the Library's overcrowding problem had become acute, and President James Burrill Angell told the Regents that "The embarrassment, to which I have called attention in previous reports, arising from the crowded condition of the Library, of course grows more serious every year."[7]

In 1900, the library established "caged areas in the stacks to protect books of exceptional value," becoming one of the first rare book rooms to be established in America.[7] By 1905, student borrowing privileges had become established, a shift from the early restricted-circulation model in which students needed a faculty member's permission to check books out of the Library.[7] In 1911, the Detroit anarchist Joseph Labadie donated his personal library to the university, establishing the nucleus of what became of the Labadie Collection, the oldest collection of radical-left history materials in the world.[7]

By 1915, the overcrowded, wood-constructed General Library was designated a fire hazard by the Board of Regents.[7] After this, a new building was finally constructed. Designed by architect Albert Kahn, the library building (which is today the north building of the Harlan Hatcher Graduate Library) was dedicated on January 7, 1920.[7] The same year, Professor Francis W. Kelsey (who founded the university's Kelsey Museum of Archaeology) added 617 ancient Egyptian papyri to the university's holdings, beginning the University of Michigan Papyrus Collection, which became the largest in the Americas.[7]

By 1940, the University Library's card catalog had 2,000 trays and 1.75 million cards.[7] A post-World War II boom in enrollment, fueled by the G.I. Bill, further strained the library's crowding problems as the library continued to expand.[7] In 1947, the library took over collection development responsibilities, replacing the old system in which each academic department selected and purchases books and journals.[7] In 1948, the library established its Far Eastern Library (renamed the Asia Library in 1959) of materials from China, Japan, and Korea; the Asian Library is now the largest collection of East Asian resources in North America.[7]

In 1970, an eight-story addition was built, where much of the print collections are housed, along with the Library's administration offices, the Map Library, Special Collections, and Papyrology.[10] The Undergraduate Library was built in 1958, and renamed for Harold T. and Vivian B. Shapiro in 1995, with extensive access for students.[11] In years to come, the principle of access to materials would become the standard and goal for all libraries and initiatives.


Harlan Hatcher Graduate Library

Hatcher Graduate Library viewed from the North

The Harlan Hatcher Graduate Library is the university's primary research collection for the humanities and social sciences. It contains over 3.5 million volumes and over 10,000 periodicals written in more than 300 languages. Commonly cited collecting strengths of the Graduate Library include English and French history, papyrology, Germanic history and culture, classical archeology, military history, English Literature, social and political movements. In addition, these general stacks collections are supported by strong holdings in United States and foreign government documents, a significant collection of maps and cartographic materials, a comprehensive collection of publications written in East Asian languages, manuscripts and special collections, over 1.5 million items in microformat, and a strong collection of reference and bibliographic sources.[12] The library was named after Harlan Hatcher, the eighth President of the University.[13]

A number of units are physically in the Hatcher Library or are organizationally associated with the Hatcher Library. These include:[14]

Asia Library

The Asia Library is located on the fourth floor of Hatcher Graduate Library (North).[15] It is one of the largest collections of East Asian materials in North America, as of June 2012 holds some 785,000 volumes of Chinese, Japanese, and Korean monographs, 2,100 currently received serials, and 80,000 titles of materials in microform, and a large number of electronic resources in all East Asian languages.[15] The Asia Library also has a reference room with essential reference materials, such as encyclopedias, dictionaries, maps, bibliographies, and indexes, in both East Asian and Western languages.[15] The Asia Library launched its own website in April 1994, making it one of the first multilingual websites on East Asian studies.[15]

Stephen S. Clark Library

The Clark Library is the university's combined "map collection, government information center, and spatial and numeric data services" center.[16] Its map collection is the largest in Michigan and one of the largest of any university, consisting of more than 370,000 maps and about 10,000 atlases and reference works.[17] The map collection's holdings include a variety of cartographic materials, including maps, atlases, gazetteers, geographical dictionaries, and other reference works.[17] Among the highlights of the collection are Abraham Ortelius's 1570 Americae sive novi Orbis, nova Descriptio, an early map of the Americas; Giambattista Nolli's 1798 Nuova Pianta di Roma, a map of Rome; Giovanni Battista Piranesi's 1746 Plan of the Course of the Tiber, a plan of the Tiber River commissioned by Pope Benedict XIV; an 1809 pocket globe, and Guillaume Coutans's 1880 Tableau Topographique des Environs de Paris.[18]

The Clark Library Government Information Collection serves as a center for government documents. The university is a Federal Depository Library for U.S. government documents, and is also the a depository for publications of the State of Michigan, government of Canada, United Nations, Food and Agriculture Organization (FAO), and European Union. The university's collection of publications of the Organisation for Economic Co-operation and Development (OECD), World Bank, International Monetary Fund (IMF) and World Trade Organization (WTO) are also held at the Clark Library.[19] Highlights of the Government Information Collection include a full run of all U.S. congressional publications since 1789, all UN documents since 1946, and all U.S. census documents since 1790.[20]

The library's Spatial and Numeric Data Services (SAND) is housed at the Clark Library and on North Campus at SAND North in the Spatial Analysis Lab (room 2207) of the Art and Architecture Building. SAND assists in research, and "locates, acquires, and converts numeric and spatial data sets, especially social science data sets. SAND also supports the use of geographic information systems (GIS) software.[21]

Special Collections Research Center

The Special Collections Research Center (SCRC) acquires, cares for, interprets, and shares collections of unique, rare, and primary source material.[22] The space was renamed from the Special Collections Library to the Special Collections Research Center in 2018.[23] The collection is non-circulating, with many materials stored off-site and retrieved upon request.[22] The SCRC includes around 275,000 published volumes, as well as an estimated 6,500 linear feet of archival material, about 450 incunabula (pre-1501 books), and almost 1,400 early manuscripts on vellum and paper.[22] The SCRC also includes an estimated 20,000 posters and prints and 10,000 photographs.[24] Notable strengths of the Special Collections Research Center include:

Jewish Heritage Collection

The library's special collection on Jewish history and culture, from a gift made jointly to the Frankel Center for Judaic Studies and the University Library.[24] Includes more than 1,500 books, 1,000 works of art (drawings, paintings, engravings, woodcuts, lithographs, and prints); 700 items of ephemera (cards, calendars, clippings, postcards, and mementoes); and some 200 objects, including both ritual objects (menorahs, groggers, yarmulkes, Challah covers, besamim) and other objects (toys, candles, serving trays).[24]

International Studies

International Studies (formerly the Area Programs Library) consists of four divisions: Near East; Slavic, East European, and Eurasian; South Asia; and Southeast Asia Division.[28]

Shapiro Library

The Shapiro Library Building

The Hatcher Graduate Library is connected by a skyway to the Shapiro Library Building, which houses two libraries:

Other Central Campus libraries

The University Library contains collections that support the university's museums:

Taubman Health Sciences Library

Taubman Health Sciences Library

One of the largest medical libraries in America with comprehensive collections in all facets of health care and medical research, the Taubman Health Sciences Library also has extensive online collections and is a member of the National Network of Libraries of Medicine, a gateway for access to over a thousand medical libraries nationwide. The Taubman Health Sciences Library has recently introduced the Clinical Librarian Service for the growing information needs of health professionals within the University of Michigan Health System who cannot easily leave their units, clinics or health centers.

Many rare volumes of significance to the history of medicine have been moved to the Special Collections Research Center, with access by appointment only. These include approximately 6,300 titles dating from 1470 to the early 20th century, consisting primarily of pre-1850 imprints. It includes 82 incunabula, 52 magical medical amulets, as well as medical fugitive sheets, manuscripts, letters, medical cartoons, medical portraits, medical illustrations, and medical artifacts. Particular strengths of the collection are early 19th-century American medical literature; anatomy; surgery; homeopathy; pharmacy and materia medica; obstetrics and gynecology; cardiology; pathology; and hernia treatment. [40]

North Campus libraries

Duderstadt Center "The Dude", which houses collections in art, architecture, and engineering

Two university libraries are located on the U-M North Campus: the Music Library and the Art, Architecture & Engineering Library (AAEL). The Music Library is located on the third floor of the Earl V. Moore Music Building. The Music Library's collections feature extensive materials in performance, musicology, composition, theory, and dance, including scores, serials, and sound and video recordings in many formats.[41] The Art, Architecture & Engineering Library, in the Duderstadt Center, features more than 600,000 volumes, thousands of periodicals, and over 200 databases in the disciplines of art and design, architecture, engineering, and urban planning.[42] The library has especially strong collections in early twentieth-century art and design, with many materials on the Bauhaus school, Le Corbusier, Louis Sullivan and Frank Lloyd Wright.

Independent libraries

William L Clements Library

There are also several collections that are affiliated with the university, but are not part of the University Library system. Two historical libraries are the Bentley Historical Library and the William L. Clements Library. The former is home of the University of Michigan's archives as well as the Michigan Historical Collections, while the latter houses original resources for the study of American history and culture from the 15th to the early 20th century.

Other libraries include the Law School Library, the Gerald R. Ford Presidential Library, the Ronald and Deborah Freedman Library of the Population Studies Center, and the Transportation Research Institute Library. The last library is one of the world's most extensive collections of literature on traffic safety. There are also many independent departmental libraries, as well as small libraries in many student dormitories.

Off-campus facilities

Main article: University of Michigan Biological Station

The only off-campus library in the University of Michigan system is the Biological Station Library. Its collection consists of over 16,000 cataloged volumes and more than 50 paper journals.[43] It specializes in limnology, ornithology, ecology, systematics, taxonomy, and natural history. Located in Pellston, Michigan, near the northern tip of the Lower Peninsula of Michigan, the University of Michigan Biological Station is dedicated to education and research in field biology and environmental science.

Not considered an independent library, but nevertheless a key facility for the entire U-M library system, the Buhr Building stores in a preservation-sensitive environment over two million items too fragile or rarely used to be kept in the main libraries.

Challenges and opportunities

Michigan Publishing

Michigan Publishing (formerly "MPublishing") is a library publishing initiative which is "the hub of scholarly publishing at the University of Michigan."[44]

Major activities of Michigan Publishing include: "publishing monographs in print and electronic forms; hosting and publishing journals, with an emphasis on online, open-access formats; developing new digital publishing models with the potential to become community portals for wider knowledge sharing; creating permanent, accessible versions of faculty publications and related materials; publishing and copyright consultation and education; rights advocacy for University of Michigan authors; reissuing materials from our collections and our faculty in new forms (reprints, electronic editions)."[44]

Michigan Publishing hosts and helps operated 25 University of Michigan-based journals and scholarly conference proceedings in a variety of fields.[45] It also operates Deep Blue, the university's institutional repository.[46]

Michigan Publishing operates several print-on-demand programs. The University of Michigan Faculty Reprints (FRS) returns out-of-print books written by university faculty back into circulation on an openly accessible and affordable basis, both online and in print. The library also has an Espresso Book Machine on the first floor of the Shapiro Undergraduate Library.[47]

The University of Michigan Press is a component of Michigan Publishing.[48]

Scholarly Publishing Office

The Scholarly Publishing Office (SPO) was a unit of the University of Michigan Library devoted to developing innovative and economically sustainable publishing and distribution models for scholarly discourse. Its staff, services, and imprints are now part of Michigan Publishing. Created in 2001, the Scholarly Publishing Office provided a suite of publishing services to scholars at U-M and beyond, in order to provide alternatives to commercial academic publishing. In addition to developing cost-effective methods of publication, SPO also helped scholars increase access to their work by making it openly available online, within a trusted and durable digital library environment. Library-based publishing services such as those offered by the Scholarly Publishing Office contribute to a more robust, efficient, and diverse system of scholarly communication. In 2009 it was absorbed into a new brand name, "MPublishing", was in turn renamed to "Michigan Publishing" in 2013.


SPO was unique among publishers because of its affiliation with a major university library. Historically, libraries have defined their mission according to the rubrics of collecting, preserving, cataloging, and distributing the fruits of scholarly inquiry. For many years this broadly conceived mission has sufficed; today, the economics of the publishing world have created a situation in which the status quo is impossible to maintain. Library budgets for public universities like the U-M are either cut or stagnant, while the costs of publishing in print form continue to rise. Publishing conglomerates drive subscription rates up, while libraries struggle—and in many case fail—to keep up. Smaller academic publishing houses do not generate sufficient revenue to support themselves, and their institutional subsidies have been slashed. Many presses have closed, and those that remain have raised prices for their books to a near-prohibitive level, further restricting sales.

Harnessing the flexibility and relatively inexpensive resources of electronic publishing, SPO responded to the economic challenges of scholarly publication by providing a cost-effective, sustainable, permanent, and user-friendly publishing option for journals that could not sustain the cost of print publication and distribution.

Projects and Publications

Starting with Philosopher's Imprint, a peer-reviewed journal produced by the University of Michigan Department of Philosophy, SPO published over a dozen journals and provided for-fee hosting for non-profit academic organizations' subscription products. For example, SPO hosted the American Council of Learned Society's ACLS Humanities Ebook (now hosted by Michigan Publishing) and the Law Library Microfilm Consortium's LLMC-Digital, a database of legal research materials. SPO also offered limited monograph publication and a print on demand service, as well as offering non-traditional publication services, such as online versions of exhibits curated by the University of Michigan's Special Collections Library.

SPO began a collaboration with the University of Michigan Press, called the Michigan Digital Publishing Initiative, to explore the possibilities of new publishing partnerships between libraries and traditional, print-based academic presses. The first fruits of this alliance was digitalculturebooks, an imprint that offers books on the role of technology in contemporary society in both print and digital formats.

SPO actively pursued new and promising partnerships and publication opportunities. For example, it released the online publication of the Bulletin of the American Society of Papyrologists (BASP), in partnership with the University of Michigan Library's Papyrology Collection. BASP is the only journal in the field of papyrology published in North America and is the official journal of the American Society of Papyrologists.


Since the early 1990s, the University of Michigan Library has been a leader among research libraries in efforts to digitize its vast collections. The Digital Library Production Service (DLPS) of the U-M Library oversees the digitization of Library materials, and the development of online access systems for these digitized materials. In furtherance of this goal, DLPS developed its own digital library software, called Digital Library Extension Service (DLXS), that provides a uniform interface for its digitized items. DLPS oversees the scanning and optical character recognition of about 5,000 texts per year, many of them rare, brittle, or delicate.

The Digital Library Production Service hosts many searchable digital collections.[49] Among them are:

DLPS is also affiliated with the Text Creation Partnership (TCP) to create searchable, full-text versions of works digitized in the Early English Books Online, Evans Early American Imprints, and the Eighteenth Century Collection Online projects. TCP, when its work is concluded, will have produced over 40,000 XML-encoded text files—making it one of the largest collections of its kind.

Google and HathiTrust

In December 2004 the University Library and Google announced their plans to digitize the over 7 million print volumes held by the Library. Especially old and fragile items, or items in special collections, will not be handled by Google; these the Library will scan itself. It is estimated that it will take approximately six years for Google to complete the scanning process; without Google, the U-M Library was on pace to have their entire collection scanned in about 1000 years. All costs for the project are borne by Google, and the company has developed special scanning technology to ensure that the books are not damaged during the process. All books that are out of copyright will be available for the public to read online; those still in copyright will be searchable, but only brief excerpts will be available to read. Copyright holders, such as publishers and authors, who do not want their books to be scanned can request to have their works excluded from the project, though the Library and Google both maintain that authors and publishers benefit from having their works digitized, since it will make them easier to find and will potentially bring more sales.

Though the project has been revolutionary, it is not without controversy. In September 2005 a lawsuit was filed against Google charging copyright infringement. The lawsuit is still pending, but the scanning goes on.[4]

On June 6, 2007, twelve universities cooperating as the Committee on Institutional Cooperation[52] (CIC) announced a new partnership with Google whose explicit goal was to offer a public, shared digital repository of all the open access content.[53] That shared repository of library partners became HathiTrust.[54] The University of Michigan, which developed the MBooks platform for its own digitized books, partnered with Indiana University and the CIC libraries and the University of California system to create governance and models for financial support. The partnership has grown to include more than 60 institutions.[55]

ARL rankings

Using a variety of metrics such as accessibility, materials expenditures, volumes held, and staff size, the Association for Research Libraries (ARL) has consistently ranked the UM library system among the top ten in the nation.[56] Although Michigan ranks 3rd among academic libraries as to total volumes held, it ranks 1st for unique titles held among all institutions reporting that statistic. The ARL data is now behind a paywall, but a university page notes that the current volume count posted to the ARL site is the count contained in the infobox: approaching 13 million volumes as of 2012–2013. Financial support has grown to roughly $58 million per annum.

Year Volumes Held Volumes Added Gross Current Series Total Expenditures Total Staff Data Source Investment Index Rank
2013 13,250,648 $69,763,323 669 University of Michigan
2009 9,575,256 176,363 70,047 $53,134,323 584 ARL 5
2008 9,175,102 146,729 69,457 $51,599,110 570 ARL 8
2007 8,414,070 157,552 71,788 $50,591,407 585 ARL 8
2006 8,273,050 176,998 134,446 $49,053,402 574 ARL 8
2005 8,133,917 189,373 124,809 $47,113,239 473 ARL 5
2004 7,958,145 171,154 67,554 $46,737,671 475 ARL 8
2003 7,800,389 173,081 74,664 $48,193,379 497 ARL 5
2002 7,643,203 182,670 69,218 $43,357,616 514 ARL 6
2001 7,484,343 172,287 68,684 $43,558,787 501 ARL 6
2000 7,348,360 179,392 68,798 $41,368,972 459 1.06 6


  1. ^ "Statistical Highlights | U-M Library".
  2. ^ "Library Locations by Campus". Retrieved 2022-11-06.
  3. ^ a b Libraries & Archives Archived 2006-04-23 at the Wayback Machine, University of Michigan Library.
  4. ^ a b DigitalKoans » Blog Archive » The Google Print Controversy: A Bibliography
  5. ^ "Lisa R. Carter named library dean, effective May 1, 2023". Retrieved 2023-06-02.
  6. ^ "Lisa Carter named university librarian, dean of libraries | The University Record". Retrieved 2023-06-02.
  7. ^ a b c d e f g h i j k l m n o p q r "Hatcher Gallery Exhibit Room". Retrieved 2023-06-28.
  8. ^ Tobin, James. "Birds in the Library". University of Michigan Heritage Project. Retrieved 2023-06-28.
  9. ^ "Professor Gray and the Secret Life of Books". Retrieved 2023-06-28.
  10. ^ "Inside the Hatcher Library". Retrieved 2023-06-28.
  11. ^ "Undergraduate library gets facelift, new name and expanded facilities and services" (Press release). May 12, 1995.
  12. ^ Collections at the Graduate Library
  13. ^ "Michigan Today". Archived from the original on 2010-08-17. Retrieved 2010-02-02.
  14. ^ Department Directory of the Hatcher Graduate Library.
  15. ^ a b c d About Asia Library, University of Michigan Library.
  16. ^ Clark Library.
  17. ^ a b Clark Library Map Collections, University of Michigan Library.
  18. ^ Map Collection Highlights.
  19. ^ Clark Library Government Information Collection.
  20. ^ Highlights.
  21. ^ Spatial and Numeric Data Services (SAND).
  22. ^ a b c "Special Collections Research Center". Retrieved 2023-06-28.
  23. ^ "Library sets new destination for special collections researchers | The University Record". Retrieved 2023-06-28.
  24. ^ a b c d e f g h i j k l m Special Collections Library – Collections
  25. ^ The Galileo Manuscript
  26. ^ "Janice Bluestein Longone Culinary Archive". Retrieved 2024-03-11.
  27. ^ The Worcester Philippine History Collection.
  28. ^ "International Studies". Retrieved 2023-06-28.
  29. ^ Near East Division.
  30. ^ Slavic, East European, and Eurasian Divisions.
  31. ^ "10 things University of Michigan students should do after arriving on campus". 23 August 2017.
  32. ^ "Undergraduate Collections". Retrieved 2023-06-28.
  33. ^ "Student Consultants". Retrieved 2023-06-28.
  34. ^ "Café Shapiro". Retrieved 2023-06-28.
  35. ^ "Bert's Caf opening at Shapiro Undergraduate Library | The University Record". Retrieved 2023-06-28.
  36. ^ "Shapiro Library Collections". Retrieved 2023-06-28.
  37. ^ "Askwith Media Library". Retrieved 2023-06-28.
  38. ^ Fine Arts Library.
  39. ^ a b Museums Library
  40. ^ "History of Medicine". Retrieved 2023-06-28.
  41. ^ "Music Library". Retrieved 2023-06-28.
  42. ^ "Art, Architecture, and Engineering Library". Retrieved 2023-06-28.
  43. ^ Biological Station Library (Pellston): About Us
  44. ^ a b About Us, Michigan Publishing.
  45. ^ Journal Services, Michigan Publishing.
  46. ^ Deep Blue | Michigan Publishing; Deep Blue.
  47. ^ Print on Demand Services, Michigan Publishing.
  48. ^ About – The University of Michigan Press.
  49. ^ University of Michigan digital collections
  50. ^ Corpus of Middle English Prose and Verse; About the Corpus of Middle English Prose and Verse
  51. ^ University of Michigan Historical Mathematics Collection
  52. ^ Committee on Institutional Cooperation (CIC)
  53. ^ CIC: Partnership Announced Between CIC Libraries And Google Archived 2007-06-14 at the Wayback Machine
  54. ^ HathiTrust
  55. ^ HathiTrust: About
  56. ^ Martha Kyrillidou and Mark Young (2006). "ARL Statistics 2004-05 A Compilation of Statistics from the One Hundred and Twenty-three Members of the Association of Research Libraries" (PDF). Association of Research Libraries.

42°16′34.3″N 83°44′17.2″W / 42.276194°N 83.738111°W / 42.276194; -83.738111