- ^ Opus. Warwick Publishing Group. 1999. p. 30.
- ^ Georg Trakl; Robin Skelton (1994). Dark Seasons: A Selection of Poems. Broken Jaw Press. p. 9. ISBN 978-0-921411-22-2.
- ^ Anand Prahlad (2006). The Greenwood Encyclopedia of African American Folklore: A-F. Greenwood Press. p. 141. ISBN 978-0-313-33036-0.
- ^ Gerard Béhague; Gérard Henri Béhague (1994). Heitor Villa-Lobos: The Search for Brazil's Musical Soul. Institute of Latin American Studies, University of Texas at Austin. p. 2. ISBN 978-0-292-70823-5.
- ^ Alan Kendall (1976). The Tender Tyrant, Nadia Boulanger: A Life Devoted to Music : a Biography. Macdonald and Jane's. p. 8. ISBN 978-0-356-08403-9.
- ^ Zalmen Zylbercweig, Leksikon fun Yidish teater, Book one, column 161
- ^ Overture: The Magazine of the Baltimore Symphony. Baltimore Symphony Orchestra Association. 1979. p. 20.
- ^ David Gwenallt Jones. "Hughes, John (Ceiriog; 1832-1887), poet". Dictionary of Welsh Biography. National Library of Wales. Retrieved 2 November 2020.
- ^ "Death of Alice May", The New York Times, 17 August 1887
- ^ Cecilia Jorgensen; Jens Jorgensen (2003). Chopin and the Swedish Nightingale: The Life and Times of Chopin and a Romance Unveiled 154 Years Later. Icons of Europe. p. 89. ISBN 978-2-9600385-0-7.
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