- [S1] U.S. Census: unknown cd1, by unknown photographer; unknown series; Family History Center of LDS, Salt Lake City, Utah. Online Ohio; unknown file name; Printout dated 1860.
- [S3] , 1920 U.S. Census, unknown repository address, unknown repository.
- [S23] Emil Sichel of Hanover, Stammbaumer Familie Sichel, unknown series (n.p.: n.pub.).
- [S25] Martha Lev Zion, compiler, "Levor Family Tree"; Ancestral File, E-Mail (2014), Helen Nash May, Harrison, New York. Hereinafter cited as "Levor Family Tree."
- [S33] Kimberly Shana May, paper, digital scan 156-73-101975 (January 23, 1972), Helen Nash May, Harrison, New York.
- [S39] Letter from Sarah Rosenthal (55 Wembley Park Drive, Wembley Hddt, England) to Walter Sichel, Sept 15, 1959; Helen Nash May (Harrison, New York).
- [S47] Unknown compiler, online http://jewishgen.org, unknown (unknown location), downloaded March 1, 2000.
- [S48] Interview with Marilyn Binkowitz (unknown informant address), by Helen May. Helen Nash May (Harrison, New York).
- [S55] "Unknown title", March 2000, Miriam Weiner (Routes to Roots), to Helen May (unknown recipient address); unknown repository, unknown repository address.
- [S65] Interview with Adeline Broitman (New Jersey), by Helen May. Helen Nash May (Harrison, New York).
- [S76] Stanley Winton, "unknown cd1," e-mail message from e-mail address (Wilmette, Illinois) to Helen Nash May. Hereinafter cited as "E-mail: Stan Winton."
- [S77] Interview with William Levor (New York), by Helen May. Helen Nash May (Harrison, New York).
- [S122] Unknown cd1 household, 1930 Federal Census, Brooklyn County, New York, Enumeration District (ED) unknown cd3, sheet unknown cd4, National Archives micropublication T626-1528, viewed on Ancestry.com December 2002.
- [S125] Unknown cd1 household, 1920 Federal Census, Bronx County, New York, Enumeration District (ED) unknown cd3, sheet unknown cd4, National Archives micropublication T625-1226, viewed on Ancestry.com December 2002.
- [S126] Unknown cd1 household, 1930 Federal Census, Brooklyn County, New York, Enumeration District (ED) unknown cd3, sheet unknown cd4, National Archives micropublication T626-1559, viewed on Ancestry.com December 2002.
- [S127] Unknown cd1 household, 1920 Federal Census, Bronx County, New York, Enumeration District (ED) unknown cd3, sheet unknown cd4, National Archives micropublication T625-1217, viewed on Ancestry.com December 2002.
- [S128] Unknown cd1 household, 1930 Federal Census, Kings County, New York, Enumeration District (ED) unknown cd3, sheet unknown cd4, National Archives micropublication T626-1537, viewed on Ancestry.com December 2002.
- [S129] Unknown cd1 household, 1930 Federal Census, Kings County, New York, Enumeration District (ED) unknown cd3, sheet unknown cd4, National Archives micropublication T626-1496, viewed on Ancestry.com December 2002.
- [S130] Unknown cd1 household, 1930 Federal Census, New York County, New York, Enumeration District (ED) unknown cd3, sheet unknown cd4, National Archives micropublication T626-1555, viewed on Ancestry.com December 2002.
- [S144] David Oppenheim, "unknown cd1," e-mail message from e-mail address (California) to Helen Nash May. Hereinafter cited as "E-mail: David Oppenheim."
- [S149] Yosef (Sefi) Shaked, "unknown cd1," e-mail message from e-mail address,net.il (Soroka 5 St, Haifa, Israel) to Helen Nash May. Hereinafter cited as "E-Mail: Yosef Shaked."
- [S150] Ira Handel, "unknown cd1," e-mail message from e-mail address (Long Island, New York) to Helen Nash May. Hereinafter cited as "E-Mail: Ira Handel."
- [S151] Letter from David Noschkes (Zagreb, Yugoslavia) to Adolph Noschkes, 1935; Noschkes binder, TMG elec Helen Nash May (Harrison, New York).
- [S153] Interview with Carolyn Hessel (New York), by Helen May. Helen Nash May (Harrison, New York).
- [S154] Interview with Selma Handell (New York), by Helen May. Helen Nash May (Harrison, New York).
- [S162] Unknown cd1, The Newcomerstown News, Newcomerstown, Ohio, Vol 2 1910-1919. Hereinafter cited as Newcomerstown News.
- [S164] Wedding announcement, The Mount Vernon Republican, Mt. Vernon, Ohio. Hereinafter cited as The Mount Vernon Republican.
- [S165] Harry L. May and Florence Frank marriage, October 27, 1913, unknown repository, unknown repository address. Unknown manuscript info.
- [S166] Marriage license - Bertha May and Julius Rosenthall, unknown repository, unknown repository address. Hereinafter cited as Marr Lic - May Rosenthall.
- [S167] Bill Weissburger, Cemetery Marker: West View Cemetery (n.p.: n.pub., November 2003). Hereinafter cited as West View Cemetery.
- [S195] Passport Application found by Luke Rothman: unknown cd1, by National Archives; unknown series; unknown repository, unknown repository address. Online unknown url; unknown file name; Printout dated January 18, 2009.
- [S196] Rubin Wasser birth certificate, paper, digital 32592 (July 13, 1904), unknown repository, unknown repository address.
- [S204] Personal Facebook Page, online unknown cd. Hereinafter cited as Facebook.
- [S205] Osterman, Marjorie Korn, New York Times Obituary, Marjorie Korn Osterman, Stamford, CT, January 31, 2010, 29. Hereinafter cited as NY Times.
- [S221] Luke Rothman, Tree received from Luke Rothman (n.p.: n.pub., 2008). Hereinafter cited as Family History Report.
- [S222] Jacqueline Corn Obituary, The New York Times, New York, August 15, 2011. Hereinafter cited as Obit- Jacqueline Corn.
- [S249] Robert Linton, Tree received from Bob Linton via Bill Weissburger (7020 Islegrove Place, Boca Raton, Florida: n.pub., 2005). Hereinafter cited as Descendents of William May.
- [S251] Chaim Rosenberg, "unknown cd1," e-mail message from e-mail address (New york) to Helen Nash May. Hereinafter cited as "E mail: Chaim Rosenberg."
- [S253] Steven Hochberg, "unknown cd1," e-mail message from e-mail address (unknown address) to Helen Nash May. Hereinafter cited as "E-mail: Steven Hochberg."
- [S257] Marriage Announcements, The New York Times as seen online at www.ProQuest.com. Hereinafter cited as NY Times.
- [S264] Joseph May, Probate Court Petition, Amon Semmon, Judge (May 16, 1881); Helen Nash May, Harrison, New York.
- [S265] Joseph May passed away early today, The Steubenville Herald Star, Steubenville, Ohio, February 12, 1923. Hereinafter cited as Steubenville Herald Star.
- [S273] Barchfield Thurigen Germany Births J145:1810-1839 J146: 1824-1885 birth certificate, Small Reichsippenbuch, Factur handwriting illegible without special magnifying glass, Central Archives of the Jewish People, Givat Ram Campus, Hebrew University, Jerusalem, Israel as recorded by Martha Lev Zion's Tree 2014.
- [S280] Demian, "unknown cd1," e-mail message from e-mail address (Seattle, Washington) to Helen May. Hereinafter cited as "E-mail: Demian."
- [S297] Malcolm Hardy, "unknown cd1," e-mail message from e-mail address (unknown address) to Helen Nash May. Hereinafter cited as "E-mail Arthur Brickman."
- [S298] Jewish Gen, online www.jewishgen.org, unknown author (online).
- [S304] Luke Rothman, "The family of Betti Landes Wasser", The Family of Betti Landes Wasser, online http://https://www.Facebook/Luke Rothman, printout dated Janury 27, 2021. Hereinafter cited as "The Family of Betti Wasser."
- [S306] Unknown cd1, The New York Pose, New York, New York, May 14, 2020. Hereinafter cited as NY Post.
- [S311] Michaeli Miller, "unknown cd1," e-mail message from e-mail address (Northhampton, Massachusetts) to Helen Nash May. Hereinafter cited as "E-mail Michael Miller."
- [S313] Samuel Levor, Probate Court Petition, Bundle 639; Rec 236, L160 (Oct 3, 1888); Helen Nash May, Harrison, New York.