"United States Census, 1930," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/XQTS-CHX : accessed 24 Nov 2014), Grace A Wiegusma in household of Ringer F Wiegusma, Grafton, Worcester, Massachusetts, United States; citing enumeration district (ED) 0202, sheet 11A, family 259, line 14, film number 963, NARA microfilm publication T626, (Washington D.C.: National Archives and Records Administration, 2002); FHL microfilm 2340698.