- [S20] Interview with Martha (Josselyn) DeVoe (6 Trout Pond Lane, Chatham, Massachusetts), by Howard DeVoe, 19 January 1999.
- [S79] Alonzo Josselyn household, 1880 U.S. census, Norfolk County, Massachusetts, Sharon, page 227B (stamped), page 18 (in ink), dwelling house 174, family 201, enumerated 15 June 1880; National Archives micropublication T9, roll 547 (viewed online 17 November 2003 at Ancestry.com; image 458, 18 of 31).
- [S96] Interview with Martha (Josselyn) DeVoe (Meadowood Retirement Community, Bloomington, Indiana), by Howard DeVoe, 23 and 24 December 2003.
- [S202] Christopher Gray, Changing New York: The Architectural Scene (New York: Dover Publications, 1992).
- [S271] Charles A. Richards household, 1900 U.S. census, New York, New York, Manhattan Borough, enumeration district 551, page 78B, dwelling 14, family 67, enumerated 4 June 1900; National Archives micropublication T623, roll 1106 (viewed online 19 March 2004 at heritagequestonline.com).
- [S272] "The Building Department. List of Plans Filed for New Structures and Alterations," New York Times, 10 August 1901, 10, viewed March 2004 online at ProQuest Historical Newspapers.
- [S274] Telephone interview with Martha (Josselyn) DeVoe (Meadowood Retirement Community, Bloomington, Indiana), by Howard DeVoe, 21 March 2004.
- [S278] "The Architects' Dinner. Many Prizes Bestowed for Competitions During the Year," New York Times, 12 February 1898, 5, viewed 20 March 2004 online at ProQuest Historical Newspapers.
- [S282] "Ethics of Newspapers," New York Times, 25 March 1897, 2, viewed 22 March 2004 online at ProQuest Historical Newspapers.
- [S283] "Teachers' College Buys Land," New York Times, 8 April 1899, 9, viewed 20 March 2004 online at ProQuest Historical Newspapers.
- [S284] "Columbia's New Buildings," New York Times, 23 September 1900, 26, viewed 20 March 2004 online at ProQuest Historical Newspapers.
- [S286] "The Building Department. List of Plans Filed for New Structures in Manhattan and Bronx," New York Times, 17 June 1905, 13, viewed 20 March 2004 online at ProQuest Historical Newspapers.
- [S314] "City and Vicinity," New York Times, 23 December 1895, 8, viewed 22 March 2004 online at ProQuest Historical Newspapers.
- [S315] "Charles Lee Tracy," New York Times, 25 April 1933, 17, viewed 22 March 2004 online at ProQuest Historical Newspapers.
- [S317] Edgar A. Josselyn, "Report for the Rotch Travelling Scholarship, 1887 - 89," Boston, 1889.
- [S437] Henry Morse household, 1880 U.S. census, Suffolk County, Massachusetts, Boston, enumeration district 744, page 860, Dwelling house 87, family 133, enumerated 3 June 1880; National Archives micropublication T9, roll 559 (viewed online 20 July 2004 at Ancestry.com; image 718 (12 of 28)).
- [S468] Notes in handwritten book by Mr. C. H. Blackall, Secretary of the Rotch Travelling Scholarship Committee; copy mailed to Martha DeVoe by Norman C. Fletcher, then-current Secretary, with cover letter dated 17 December 1982.
- [S471] L. R. Hamersly (editor), Who's Who in New York City and State (New York: L. R. Hamersly Company, 1905).
- [S474] Letter from Arthur Rotch (Boston, Massachusetts) to Edgar A. Josselyn, 7 May 1887; in possession of Howard DeVoe (2442 Five Shillings Road, Frederick, Maryland). The letter was in Edgar A. Josselyn's scrapbook.
- [S507] Boston City Directory, 1890 (Boston: Sampson, Murdock and Company, 1890), information online at Ancestry.com.
- [S518] Interview with Martha (Josselyn) DeVoe, by Howard DeVoe, unknown date.
- [S519] Interview with Martha (Josselyn) DeVoe (6 Trout Pond Lane, Chatham, Massachusetts), by Howard DeVoe, August 1979.
- [S533] "Brief Biographies of American Architects Who Died Between 1897 and 1947," online at <http://www.sah.org/oldsite06012004/aame/bioint.html>, last modified February 1997, viewed 12 January 2005.
- [S534] Michael Webert, "Re: need information," e-mail message from <e-mail address> to Nancy (DeVoe) Webert, 5 March 2004.
- [S535] Telephone interview with Martha (Josselyn) DeVoe (Meadowood Retirement Community, Bloomington, Indiana), by Howard DeVoe, 2 November 2003.
- [S539] Year Book of The Society of Beaux-Arts Architects, 1929 (New York).
- [S540] Interview with Martha (Josselyn) DeVoe (Chatham, Massachusetts), by Howard DeVoe, 1987.
- [S541] Michael Webert, "Re: Question about one of your watercolor paintings," e-mail message from <e-mail address> to Howard DeVoe, 26 January 2005.
- [S547] Letter from John Prentiss Benson (66 Rue de Seine, Paris) to Henry FitzGilbert Waters, 19 January 1889; Henry F. Waters Papers, Phillips Library (Salem, Massachusetts). Transcript from Margaret Betts, 8 February 2005.
- [S548] Letter from John Prentiss Benson (66 Rue de Seine, Paris) to Henry FitzGilbert Waters, 15 February 1889; MSS 95, Box 1, Folder 4, Henry F. Waters Papers, Phillips Library (Salem, Massachusetts). Photocopy from Britta Karlberg, 10 February 2005.
- [S552] "Early Days at the Ecole," excerpts from an article on "The Beaux-Arts Institute of Design" by Mildred E. Lombard in Légion d'Honneur for July 1938, The Architectural Forum (December 1938).
- [S554] Dennis Steadman Francis, Architects in Practice, New York City, 1840-1900 (New York: Committee for the Preservation of Architectural Records, 1979).
- [S555] James Ward, Architects in Practice, New York City, 1900-1940 (New York: Committee for the Preservation of Architectural Records, 1989).
- [S568] Florence N. Levy, American Art Annual 1900-1901, Vol. III (Boston: Noyes, Platt & Company, 1900), online at books.google.com.
- [S603] Mildred E. Lombard, "The Beaux-Arts Institute of Design," Légion d'Honneur 9 (July 1938).
- [S612] Anonymous, "Annual Meeting of the Society of Beaux-Arts Architects," The American Architect 100 (6 December 1911) “Current News and Comment” section.
- [S651] American Institute of Architects membership application from Edgar Alonzo Josselyn, 23 August 1901.
- [S681] Excerpts from unpublished book Before the Gay Nineties by Joseph H. McGuire, 1932, typewritten manuscript in archives of the Van Alen Institute, New York; photocopies supplied by Marvin J. Anderson, graduate student at the University of Washington, July 2008.
- [S682] Letter from Joseph H. McGuire (5 Columbus Circle, New York) to Whitney Warren, 25 January 1936; Van Alen Institute archives (New York).
- [S684] Register of the Appalachian Mountain Club for 1888 (Boston: the Club, 1888), image downloaded from books.google.com.
- [S685] Register of the Appalachian Mountain Club for 1889 (Boston: the Club, 1889), image downloaded from books.google.com.
- [S686] Register of the Appalachian Mountain Club for 1890 (Boston: the Club, 1890), image downloaded from books.google.com.
- [S687] Register of the Appalachian Mountain Club for 1891 (Boston: the Club, 1891), image downloaded from books.google.com.
- [S688] Register of the Appalachian Mountain Club for 1892 (Boston: the Club, 1892), image downloaded from books.google.com.
- [S689] Register of the Appalachian Mountain Club for 1893 (Boston: the Club, 1893), image downloaded from books.google.com.
- [S690] Register of the Appalachian Mountain Club for 1894 (Boston: the Club, 1894), image downloaded from books.google.com.
- [S691] Register of the Appalachian Mountain Club for 1895 (Boston: the Club, 1895), image downloaded from books.google.com.
- [S692] Register of the Appalachian Mountain Club for 1896 (Boston: the Club, 1896), image downloaded from books.google.com.
- [S693] Register of the Appalachian Mountain Club for 1897 (Boston: the Club, 1897), image downloaded from books.google.com.
- [S723] Howard DeVoe, "A Dinner at the Cafe d'Orsay, Paris, on Washington's Birthday, 1889," Journal of the Society of Architectural Historians 68 (March 2009).