- C. J. Ostl Site
- C. L. Johnson House
- Caldwell County Courthouse Historic District
- Caldwell Home Place
- Calhoun Street Historic District
- Call Street Historic District
- Callanwolde Fine Arts Center
- Calvert Historic District
- Camp Dennison
- Camp Pinchot Historic District
- Cane Patch
- Cane Ridge Cumberland Presbyterian Church
- Caples–Ringling Estates Historic District
- Capt. F. Deane Duff House
- Capt. John Foley Horr House
- Captain Hammond House
- Carlock Building
- Carnegie Library (Danville, Kentucky)
- Caroline Brevard Grammar School
- Carpenter United Methodist Church
- Carroll Building (Apopka, Florida)
- Casa Coe da Sol
- Casa De Muchas Flores
- Casa Del Mar
- Casa Marina Hotel
- Catholic Church and Rectory
- Central Academy
- Central Baptist Church (Miami, Florida)
- Central Christian Church (Greenville, Texas)
- Central College Presbyterian Church
- Central Congregational Church (Dallas)
- Central Park Historic District (West Palm Beach, Florida)
- Central Presbyterian Church (Amarillo, Texas)
- Central United Methodist Church (Mansfield, Ohio)
- Central–Cocoanut Historic District
- Champe-Fremont 1 Archeological Site
- Chapel Hill Cumberland Presbyterian Church
- Chappell Hill Circulating Library
- Chappell Hill Methodist Episcopal Church
- Charles B. Anderson House
- Charles M. White House
- Charles William Jones House
- Charles Woodruff House (Wyoming, Ohio)
- Cherokee Grove
- Cherry Valley Archeological Site, RI-279
- Chevrolet Motor Company Building
- Chief Master at Arms House
- Christ Episcopal Church (Puyallup, Washington)
- Christian Ehresman Farm
- Church Street Historic District (Dade City, Florida)
- Church of the Blessed Virgin Mary, the Queen of Peace
- Church of the Guardian Angel
- Church of the Holy Spirit (Lake Wales, Florida)
- Church of the Immaculate Conception of Blessed Virgin Mary
- Citra Methodist Episcopal Church-South
- City Point Community Church
- City Theater (Biddeford, Maine)
- City of Alachua Downtown Historic District
- Clarence Keating House
- Claridon Congregational Church
- Claud No. 1 Archeological Site
- Clemens House-Columbia Brewery District
- Cleveland Court School
- Clewiston Historic Schools
- Clifton Avenue Historic District
- Clifton Rice House
- Clinton House (Liberty, Missouri)
- Coca-Cola Bottling Plant (Ocala, Florida)
- Coffin Site
- Colerain Works Archeological District
- College Park Historic District (Lake Worth, Florida)
- Colonial Estate
- Colonsay Plantation
- Comeau Building
- Comfort Historic District
- Community Center and War Memorial Building
- Como-Harriet Streetcar Line
- Computing and Communications Center, Cornell University
- Confederate Reunion Grounds State Historic Site
- Congregational Church of Faribault
- Congregational-Presbyterian Church
- Coral Gables House
- Coral Gables Woman's Club
- Corinth National Cemetery
- Coronado Historic District
- Corrigan House
- Cortez Historic District
- Cote Bonneville
- Covington House (Tallahassee, Florida)
- Cox Furniture Store
- Cox Furniture Warehouse
- Crescent City Historic District
- F. A. DeCanizares House
- F. Q. Story Neighborhood Historic District
- F. W. Woolworth Building (Fort Worth, Texas)
- Fairfield Township Works I
- Fairlie–Poplar, Atlanta
- Falling Creek Methodist Church and Cemetery
- Fayette County Courthouse (Ohio)
- Fellsmere Public School
- Ferndix Building
- Ferran Park and the Alice McClelland Memorial Bandshell
- Field Estate
- Fire Station No. 15 (Tacoma, Washington)
- Fire Station No. 18 (Seattle)
- Fire Station No. 5 (Tacoma, Washington)
- First Baptist Church (Flagstaff, Arizona)
- First Baptist Church (Lake Wales, Florida)
- First Baptist Church (Newfane, New York)
- First Baptist Church (Vermilion, Ohio)
- First Baptist Church East Nashville
- First Baptist Church of Brownsville
- First Christian Church (Longview, Washington)
- First Christian Church (Pensacola, Florida)
- First Christian Church Parsonage
- First Church of Christ in Euclid
- First Congregational Church (Akron, Ohio)
- First Congregational Church (Marblehead, Ohio)
- First Congregational Church of Cuyahoga Falls
- First Day Advent Christian Church
- First Evangelical Church of Albany
- First Methodist Church (Brookhaven, Mississippi)
- First Methodist Church (Cuero, Texas)
- First Methodist Church (Georgetown, Texas)
- First Methodist Church (Tupelo, Mississippi)
- First Methodist Church of Greenwood
- First Methodist Church of Oviedo
- First Methodist Church of Rockwall
- First Methodist Church of St. Petersburg
- First Methodist Episcopal Church (Alliance, Ohio)
- First Methodist Episcopal Church (Fellsmere, Florida)
- First Methodist Episcopal Church and Parsonage (Williams, Arizona)
- First Presbyterian Church (Abilene, Texas)
- First Presbyterian Church (Paris, Texas)
- First Presbyterian Church (Portsmouth, Ohio)
- First Presbyterian Church (Sandusky, Ohio)
- First Presbyterian Church (Van Horn, Texas)
- First Presbyterian Church Archeological Site
- First Presbyterian Church Manse (Clarksville, Tennessee)
- First Presbyterian Church of Pulaski
- First Protestant Church
- First United Methodist Church (Elyria, Ohio)
- First United Methodist Church (Paris, Texas)
- First United Methodist Church (Salem, Ohio)
- First United Methodist Church (San Marcos, Texas)
- First Universalist Church (Cincinnati, Ohio)
- Fish Island Site
- Flavius C. Coles Farmhouse
- Flint Hall (Gainesville, Florida)
- Flint Mine Hill Archeological District
- Floral City Historic District
- Florida Baptist Building
- Forest Home Farms
- Forrey Building and Annex
- Fort George (Pensacola, Florida)
- Fort Lane (Oregon)
- Fort Laurens
- Fort Massachusetts (Mississippi)
- Fort Meade Historic District
- Fort Myers Downtown Commercial District
- Fort Plain Conservation Area
- Fort Street Presbyterian Church (San Marcos, Texas)
- Fort Ward (Washington)
- Fountain at Alamo Cement Company
- Fox Theatre Historic District
- Frances-Carlton Apartments
- Frank A. Palen House
- Frank and Matilda Binz House
- Franklin Carnegie Library
- Franklin Post Office
- Fred C. Aiken House
- Fred Florence Hall
- Fredericktown Presbyterian Church
- Fredonia Church
- Freedman-Raulerson House
- Freedom Congregational Church
- French Site (22HO565)
- Freund–Heintz House
- Fuchs Bakery
- MacFarlane Homestead Historic District
- Macedonia Baptist Church (Cuero, Texas)
- Madam Fredin's Eden Park School and Neighboring Row House
- Madison–Stewart Historic District
- Magnolia Heights Historic District
- Maine Apartments
- Maine Colony Historic District
- Manatee County Courthouse
- Mann Manor
- Marietta National Cemetery
- Marion Hotel (Ocala, Florida)
- Markeen Apartments
- Markland (St. Augustine, Florida)
- Marquette Building (St. Louis)
- Marrow Bone Spring Archeological Site
- Marshall R. Sanguinet House
- Martinez Canyon Rockhouse
- Mathews–Powell House
- Maxwell-Kirby House
- McCabe Building (Everett, Washington)
- McCormick Manufacturing Company Building
- McDougall–Campbell House
- McFarlin Memorial Auditorium
- McKinley School (Cincinnati, Ohio)
- Meeting House of the Friends Meeting of Washington
- Melbourne Beach Pier
- Melbourne Flats
- Melrose Woman's Club
- Memorial Home Community Historic District
- Mendota Road Bridge
- Merrick-Simmons House
- Methodist Church Concord
- Methodist Episcopal Church of Painesville
- Methodist Episcopal Church, South (Lawton, Oklahoma)
- Methodist Episcopal Parsonage
- Metropolitan Tower (Youngstown)
- Miami City Hospital, Building No. 1
- Miami Edison Middle School
- Micanopy Historic District
- Miccosukee Methodist Church
- Mickens House
- Middle Sandy Presbyterian Church
- Middleburg United Methodist Church
- Middleton House
- Midway Subdivision Historic District
- Midwest Hotel
- Mill Office and Post Office
- Mineola Downtown Historic District
- Mission Dolores State Historic Site
- Mission Nuestra Señora del Rosario
- Mitchell–Tibbetts House
- Model Land Company Historic District
- Mohrman-Jack-Evans House
- Monastery of Our Lady of Charity
- Monroe Bank
- Monroe Hotel
- Monroe Lake Archeological District
- Montgomery Ward Building (Evansville, Indiana)
- Montrose Presbyterian Church
- Moore Haven Residential Historic District
- Morganville Pottery Factory Site
- Morgan–Hueston House
- Moseley Homestead
- Moswansicut Pond Site, RI-960
- Moulton–Wells House
- Mount Adams Public School
- Mount Elizabeth Archeological Site
- Mount Healthy Public School
- Mount Olive African Methodist Episcopal Church
- Mount Olive Missionary Baptist Church (Nassauville, Florida)
- Mount Zion AME Church (Jacksonville, Florida)
- Mount Zion Presbyterian Church (Chandlersville, Ohio)
- Mount Zion United Methodist Church (Washington, D.C.)
- Mountain Lake Colony House
- Moyer Site
- Mt. Pleasant Methodist Church
- Mt. Zion Baptist Church (Canton, Mississippi)
- Mt. Zion Methodist Church (Brenham, Texas)
- Murphy-Burroughs House
- Mutual Ice Company Building
- Palatka North Historic District
- Palatka South Historic District
- Palm Beach Daily News Building
- Palm Beach Mercantile Company
- Palmerin Hotel
- Palmetto Armory
- Parade Park Maintenance Building
- Paris Commercial Historic District (Paris, Tennessee)
- Park Avenue Baptist Church
- Patsy Clark Mansion
- Patterson Homestead
- Paul L. Vinson House
- Paul M. Souder House
- Paynes Creek Historic State Park
- Peabody Hall (Gainesville, Florida)
- Peak House (Medfield, Massachusetts)
- Pender's Store
- Perdido Key Historic District
- Perry L. Biddle House
- Persimmon Mound
- Peter Schrock Jr. Farm
- Peter and Clotilde Shipe Mansbendel House
- Peters–Kupferschmid House
- Philip Foster Farm
- Philip Moore Stone House
- Piatt's Landing, Kentucky
- Piedmont Park Apartments
- Pilgrim Lutheran Church for the Deaf of Greater Kansas City and Parsonage
- Pisgah United Methodist Church and Cemetery
- Planter's Exchange, Inc.
- Plaza Site
- Pleasant Grove Masonic Lodge
- Pleasant Mount Cumberland Presbyterian Church
- Pleasant Ridge United Methodist Church
- Pleasant Street Historic District (Gainesville, Florida)
- Pleasant Valley Methodist Church
- Police Station No. 7 (Cincinnati, Ohio)
- Polk Hotel
- Pope Avenue Historic District
- Port Theatre Art and Culture Center
- Porter's Bar Site
- Presbyterian Church Parsonage (Flagstaff, Arizona)
- Presbyterian Manse (Jefferson, Texas)
- Presqui'ile
- Primitive Baptist Church (Nashville, Tennessee)
- Princess Mound
- Professional Building (Kansas City, Missouri)
- Professional Building (West Palm Beach, Florida)
- Prospect Hill Missionary Baptist Church
- Providence Primitive Baptist Church
- Pueblo Arcade
- Punta Gorda Fish Company Ice House
- Punta Gorda Ice Plant
- Punta Gorda Woman's Club
- Purdy Villa
- S. Cornelia Young Memorial Library
- SS Tarpon (1887)
- Safford House
- Saint Anthony's Catholic Church (Bryan, Texas)
- Saint John's Episcopal Church (Ocean Springs, Mississippi)
- Saint John's Methodist Church
- Saint Mark's Episcopal Church (Raymond, Mississippi)
- Saint Mary's Catholic Church (Victoria, Texas)
- Saint Mary's Parish (Red Bluff, California)
- Saint Patrick's Roman Catholic Church (Independence, Oregon)
- Saint Paul Municipal Grain Terminal
- Saint Paul's Episcopal Church (Waxahachie, Texas)
- Salado United Methodist Church
- Salem Bear Creek Church, Salem Evangelical Lutheran Church
- Salem Church (Sardis, Ohio)
- Salem Downtown Historic District (Salem, Ohio)
- Salem Methodist Church Complex (Cincinnati, Ohio)
- Samuel Augspurger House
- Samuel Baker House (Elfers, Florida)
- Samuel Burdsal House
- Samuel Hannaford House
- Samuel and Sally Wilson House
- San Felipe (shipwreck)
- San Joseph de Ocuya
- San Pedro y San Pablo de Patale
- Sanchez Homestead
- Sanchez Powder House Site
- Sandy Ground Historic Archeological District
- Sanford Commercial District
- Sanford Residential Historic District
- Sapp House
- Schmidt-Godert Farm
- Scottish Rite Cathedral (Galveston, Texas)
- Scrabbletown Historic and Archeological District
- Searles School and Chapel
- Sebring Downtown Historic District
- Seminole County Home
- Seminole Rest
- Sen. Joseph O. Clark House
- Sengstake Building
- Shady Grove Primitive Baptist Church
- Shandy Hall (Ohio)
- Shannon-Williamson Ranch
- Shelby Bend Archeological District
- Shell Bluff Landing
- Shepherd Hall
- Sherman Arcade
- Shiloh Baptist Church (Cleveland, Ohio)
- Shoreland Arcade
- Shubuta Baptist Church
- Shubuta Methodist Episcopal Church, South
- Sikes House
- Simpson's College
- Solla-Carcaba Cigar Factory
- Sollner-Wall House
- Sopchoppy School
- South Bartow Residential District
- South Beach Street Historic District
- South Jacksonville Grammar School
- South Lake Morton Historic District
- South Lincoln Avenue Historic District
- South Main Street District (Middletown, Ohio)
- South Third Street Historic District (Chipley, Florida)
- South Ward School (Clearwater, Florida)
- Southeast Gainesville Residential District
- Southern Cassadaga Spiritualist Camp Historic District
- Southside School (Miami, Florida)
- Southwick-Harmon House
- Spanish Apartments
- Spanish Coquina Quarries
- Spell House (Titusville, Florida)
- Spring Creek Presbyterian Church
- Spring Grove Cemetery Chapel
- Spring Hill Presbyterian Church
- Spring Lake Community Center
- Spruce Creek Mound Complex
- Spruce Run Earthworks
- St. Andrew's Episcopal Church (Elyria, Ohio)
- St. Ann Roman Catholic Church Complex
- St. Anne's Roman Catholic Church (Marysville, Washington)
- St. Boniface Church, Convent and Rectory
- St. Clairsville Historic District
- St. David's Episcopal Church (Austin, Texas)
- St. Gabriel's Episcopal Church (Titusville, Florida)
- St. James Colored Methodist Episcopal Church
- St. James Episcopal Church (Boardman, Ohio)
- St. James Episcopal Church (Painesville, Ohio)
- St. James Episcopal Church (Zanesville, Ohio)
- St. James Park Historic District
- St. John African Methodist Episcopal Church (Cleveland, Ohio)
- St. John the Baptist Catholic Church (Ammannsville, Texas)
- St. John's Church (Brownwood, Texas)
- St. John's Lutheran Church (Zanesville, Ohio)
- St. Joseph Catholic Mission Church
- St. Joseph Convent and Academy Complex
- St. Lucie High School
- St. Lucie Village Historic District
- St. Luke Baptist Church
- St. Mark United Primitive Baptist Church
- St. Martin's Catholic Church
- St. Mary of the Assumption Church (Fort Worth)
- St. Mary's By the River
- St. Mary's Catholic Church (Brenham, Texas)
- St. Mary's Roman Catholic Church (Elyria, Ohio)
- St. Michael's Creole Benevolent Association Hall
- St. Nicholas III
- St. Nicholas VI (boat)
- St. Patrick's Catholic Church (Wellington, Ohio)
- St. Patrick's Catholic Church and Rectory
- St. Peter African Methodist Church
- St. Peter's Catholic Church (Canton, Ohio)
- St. Peter's Church (Mansfield, Ohio)
- St. Peter's Episcopal Church (Columbia, Tennessee)
- St. Peter's Evangelical Lutheran Church (Lancaster, Ohio)
- St. Peter's Lick Run Historic District
- St. Thomas Episcopal Church (Port Clinton, Ohio)
- St. Timothy's Protestant Episcopal Church
- Star Garage
- State Arsenal (Lincoln, Nebraska)
- State Highway 3-A Bridge at Cibolo Creek
- Stockton-Curry House
- Stovall House
- Strawn Historic Agricultural District
- Strawn Historic Sawmill District
- Strickland-Herold House
- Sugar Pot Site
- Sugarloaf School
- Sulphur Creek Archeological District
- Sutherlin Bank Building