United States Census, 1920. Portland Hoffa in household of Frank Hoffa, Manhattan Assembly District 19, New York, New York, United States; citing ED 1334, sheet 9A, line 41, family 224, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 1221; FHL microfilm 1,821,221. Archived copy of census page.
United States Census, 1920. Portland Hoffa in household of Frank Hoffa, Manhattan Assembly District 19, New York, New York, United States; citing ED 1334, sheet 9A, line 41, family 224, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 1221; FHL microfilm 1,821,221. Archived copy of census page.