"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MZZ1-ZJ5 : 16 August 2017), Frank Trauffler in household of Nick Trauffler, Buffalo, Erie, New York, United States; citing enumeration district ED 137, sheet 487D, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0829; FHL microfilm 1,254,829.
"New York State Census, 1892," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MQSD-NC1 : 6 November 2014), Frank Traufler, 1892; citing Buffalo, Ward 11, E.D. 01, county offices, New York; FHL microfilm 825,693.
New York State Census, 1905, database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MV1N-1KF : 8 November 2017), Frank Traufler, Buffalo, Ward 11, E.D. 02, Erie, New York; citing p. 56, line 11, county offices, New York.; FHL microfilm 825,698.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M5CF-DVD : accessed 16 November 2017), Frank C Tranfler, Buffalo Ward 9, Erie, New York, United States; citing enumeration district (ED) ED 78, sheet 9A, family 162, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 943; FHL microfilm 1,374,956.
"New York State Census, 1915," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:K9NP-8RW : 8 November 2014), Frank C Traufler, Buffalo Ward 20, A.D. 08, E.D. 06, Erie, New York, United States; from "New York, State Census, 1915," database and images, Ancestry (http://www.ancestry.com : 2012); citing p. 07, line 39, state population census schedules, 1915, New York State Archives, Albany.
"United States World War I Draft Registration Cards, 1917-1918," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KXTJ-NNH : 12 December 2014), Frank Christ Traufler, 1917-1918; citing Buffalo City no 12, New York, United States, NARA microfilm publication M1509 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,712,130.
"New York State Census, 1925," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:K9XS-FLF : 8 November 2014), Frank C Traufler, Buffalo Ward 20, A.D. 07, E.D. 18, Erie, New York, United States; records extracted by Ancestry and images digitized by FamilySearch; citing p. 25, line 27, New York State Archives, Albany.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X7CG-P99 : accessed 16 November 2017), Frank Traufler, Buffalo (Districts 1-250), Erie, New York, United States; citing enumeration district (ED) ED 198, sheet 20B, line 57, family 377, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1429; FHL microfilm 2,341,164.