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© The New York Public Library, 2026
The New York Public Library is a 501(c)(3) | EIN 13-1887440
New York World's Fair 1939 and 1940 Incorporated records, [microform]
Manuscripts and Archives Division, The New York Public Library. "Holmes, John Haynes (Dr.) (Chrman. City Affairs Comm. of NY)" The New York Public Library Digital Collections. 1935 - 1945. https://old-digitalcollections.nypl.org/items/b619bd99-7d49-e6d9-e040-e00a1806748c
Manuscripts and Archives Division, The New York Public Library. "Holmes, John Haynes (Dr.) (Chrman. City Affairs Comm. of NY)" New York Public Library Digital Collections. Accessed November 1, 2026. https://old-digitalcollections.nypl.org/items/b619bd99-7d49-e6d9-e040-e00a1806748c
Manuscripts and Archives Division, The New York Public Library. (1935 - 1945). Holmes, John Haynes (Dr.) (Chrman. City Affairs Comm. of NY) Retrieved from https://old-digitalcollections.nypl.org/items/b619bd99-7d49-e6d9-e040-e00a1806748c
<ref name=NYPL>{{cite web | url=https://old-digitalcollections.nypl.org/items/b619bd99-7d49-e6d9-e040-e00a1806748c | title=
(text)
Holmes, John Haynes (Dr.) (Chrman. City Affairs Comm. of NY), (1935 - 1945)|author=Digital Collections, The New York Public Library |accessdate=November 1, 2026 |publisher=The New York Public Library, Astor, Lenox, and Tilden Foundations}}</ref>