"Massachusetts, Marriages, 1841-1915," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/N4ZF-NTH : accessed 30 Jun 2013), John P. Glasshower and Alice Beinema, 1900.
"United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/K4P8-ZZB : accessed 21 Apr 2014), John P Glashower, Georgetown Township, Ottawa, Michigan, United States; citing enumeration district (ED) 70-8, sheet 10A, family 155, NARA digital publication of T627, roll 1808.