"United States Census, 1930," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/XQBF-W77 : accessed 10 Apr 2014), Gerrit Rinzena, Grand Rapids, Kent, Michigan, United States; citing enumeration district (ED) 0013, sheet 15A, family 22, NARA microfilm publication T626, roll 1000.