"New York, New York City Births, 1846-1909," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:2W3J-9SJ : 11 February 2018), Lewis Thomas Cohen, 10 Mar 1889; citing Manhattan, New York, New York, United States, reference cn 7531 New York Municipal Archives, New York; FHL microfilm 1,323,487.
"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MSKC-B9D : accessed 18 July 2021), Louis Cohen in household of Leon Cohen, Borough of Manhattan, Election District 11 New York City Ward 24, New York County, New York, United States; citing enumeration district (ED) 656, sheet 12B, family 245, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,241,110.
"New York State Census, 1905," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MKSK-6JB : 8 March 2021), Lewis T Cohen in household of Leon Cohen, Brooklyn, A.D. 18, E.D. 01, Kings, New York; citing p. , line 36, various county clerk offices, New York; FHL microfilm 1,930,274.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M54H-C9S : accessed 18 July 2021), Lewis T Cohen in household of Leon Cohen, Brooklyn Ward 23, Kings, New York, United States; citing enumeration district (ED) ED 616, sheet 5B, family 115, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 973; FHL microfilm 1,374,986.
"Massachusetts State Vital Records, 1841-1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:23YZ-1CR : 22 February 2021), Lewis T Cohen and Helen M Feistel, 15 Jan 1916; citing Marriage, Brockton, Plymouth, Massachusetts, United States, certificate number 28, page 174, State Archives, Boston.
"United States World War I Draft Registration Cards, 1917-1918", database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KXYW-RJY : 23 February 2021), Lewis Cohen, 1917-1918.
"U.S., Applications for Seaman's Protection Certificates, 1916-1940", database w/images (https://www.ancestry.com/ : accessed 17 Jul 2021) Application for Seaman's Protection Certificates, 1916-1940. 1151 Boxes. NAID: 2788575. Records of the Bureau of Marine Inspection and Navigation, 1774-1982, Record Group 41. The National Archives at Washington, D.C. Washington, D.C.; The National Archives and Records Administration; Application for SeamanĀ“s Protection Certificates; NAI: 2788575; Record Group Title: Records of the Bureau of Marine Inspection and Navigation; Record Group Number: 41; Box Number: 057 - New York Ancestry Record 61257 #219521 Name: Lewis Thomas Cohen Age: 29 Birth Date: 10 Mar 1889 Birth Place: N. Y. City Application Date: 1 Jul 1918 Application Place: New York, New York, USA Record Type: Application Ancestry Sharing Image (free)