"United States Census, 1920," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MZ3F-L8F : accessed 27 Feb 2014), Jennette Dolphin in household of Mack H Dolphin, Ionia Ward 2, Ionia, Michigan, United States; citing sheet , family 43, NARA microfilm publication T625, FHL microfilm 1820772.