↑ "Massachusetts Marriages, 1841-1915," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:N4Z3-F1C : 24 May 2018), Alfred A. Roberts and Helen E. Chase, 28 Nov 1900; citing Arlington, Arlington, Middlesex, Massachusetts, United States, State Archives, Boston; FHL microfilm 1,843,723.
"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MHX5-6XH : 12 August 2017), Alfred A Roberts in household of Frank D Roberts, Boston, Suffolk, Massachusetts, United States; citing enumeration district ED 720, sheet 165C, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0558; FHL microfilm 1,254,558.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MRS1-RM1 : accessed 9 December 2018), Alfred A Roberts, Freeport, Cumberland, Maine, United States; citing enumeration district (ED) ED 51, sheet 7B, family 202, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 538; FHL microfilm 1,374,551.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MFZZ-NX1 : accessed 9 December 2018), Alfred A Roberts, Freeport, Cumberland, Maine, United States; citing ED 14, sheet 1A, line 1, family 1, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 639; FHL microfilm 1,820,639.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XM82-5R4 : accessed 9 December 2018), W Alfred Roberts, Freeport, Cumberland, Maine, United States; citing enumeration district (ED) ED 13, sheet 4A, line 24, family 95, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 830; FHL microfilm 2,340,565.
"Maine, World War I Draft Registration Index, 1917-1919," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:Q2HM-K7PQ : 11 March 2018), Alfred Archie Roberts, 1917-1919; citing Freeport, Freeport, Cumberland, Maine, United States, Maine State Archives, Augusta.