Charles Black, age 88,widowed, living with his daughter, Eunice Watson.
"United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/KQMP-D9B : accessed 26 Mar 2014), Charles Black, Fredonia, Pomfret Town, Chautauqua, New York, United States; citing enumeration district (ED) 7-117, sheet 62A, family 326, NARA digital publication of T627, roll 2512.