"United States Census, 1880," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MWFV-GPP : accessed 20 Jul 2014), Henry Wynkoop in household of Miles Wynkoop, Cherry Hill, Indiana, Pennsylvania, United States; citing sheet 224D, NARA microfilm publication T9.
↑ 3.03.1 Pennsylvania, Death Certificates, 1906-1944.