"United States Passport Applications, 1795-1925," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/QV5Y-B22R : accessed 6 February 2015), William Sake Hofstra, 1921; citing Passport Application, New York, United States, source certificate #106424, Passport Applications, January 2, 1906 - March 31, 1925, 512, NARA microfilm publications M1490 and M1372 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm .