"United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/K4G9-F15 : accessed 14 Jan 2014), Clarence Menning, Wyoming Township, Kent, Michigan, United States; citing enumeration district (ED) 41-48A, sheet 21A, family 428, NARA digital publication of T627, roll 1776.