"United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/K3B1-91G : accessed 07 Nov 2013), Charles A Campbell, Assembly District 2, Richmond, New York City, Richmond, New York, United States; citing enumeration district (ED) 43-184, sheet 9A, family 169, NARA digital publication of T627, roll 2763.