"United States Census, 1910," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MLRP-CS9 : accessed 11 May 2014), Hortog Vanderklay, Spring Lake, Ottawa, Michigan, United States; citing enumeration district (ED) 174, sheet 1A, family 7, NARA microfilm publication T624, FHL microfilm 1374683