"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M367-C31 : accessed 27 May 2016), Frank Henn, Precincts 1-6, Astor, Altoona, Acron, Crows Bluff, Cassia, Seneca, Lake, Florida, United States; citing sheet 5A, family 81, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,240,172.