"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MPB3-STX : accessed 2 June 2023), Abner Alexander Jr. in household of Abner Alexander Sr., Police Jury Ward 4, Terrebonne, Louisiana, United States; citing enumeration district (ED) ED 105, sheet 23B, family 452, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 529; FHL microfilm 1,374,542.