"United States World War I Draft Registration Cards, 1917-1918," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K6J9-FF9 : 13 March 2018), Edwin Justus Mayer, 1917-1918; citing New York City no 129, New York, United States, NARA microfilm publication M1509 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,766,253.
"United States Passport Applications, 1795-1925," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QV5Y-X52D : 16 March 2018), Edwin Justus Mayer, 1924; citing Passport Application, New York, United States, source certificate #382326, Passport Applications, January 2, 1906 - March 31, 1925, 2449, NARA microfilm publications M1490 and M1372 (Washington D.C.: National Archives and Records Administration, n.d.).
"California, County Birth and Death Records, 1800-1994," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QGLW-F2PH : 18 January 2018), Paul Avila Mayer, 28 May 1928; citing Birth, Los Angeles, Los Angeles, California, United States, California State Archives, Sacramento.
