"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MMTP-ZYG : accessed 30 September 2018), Earl Abramson in household of John Abramson, Garfield Township, Jackson, Kansas, United States; citing enumeration district (ED) 55, sheet 8A, family 159, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,483.
"United States World War I Draft Registration Cards, 1917-1918," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K664-WMX : 13 March 2018), Earl Abramson, 1917-1918; citing Atchison County, Kansas, United States, NARA microfilm publication M1509 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,643,421.
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:JY1R-KMP : 20 May 2014), Earl Abramson, Jun 1975; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).