"United States Census, 1920," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MF91-HLJ : accessed 11 December 2014), Ide Bruinsma in household of Henry Bruinsma, Worcester Ward 8, Worcester, Massachusetts, United States; citing sheet 7A, family 183, NARA microfilm publication T625, National Archives and Records Administration, Washington D.C.; FHL microfilm 1,820,750.