"United States World War I Draft Registration Cards, 1917-1918," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K87F-9PM : accessed 25 August 2015), Henry John Tammel, 1917-1918; citing Fillmore County, Minnesota, United States, NARA microfilm publication M1509 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,675,466.