Family tree▼
"Massachusetts, Births, 1841-1915," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/FXJR-KKK : accessed 03 Jul 2013), Edward Postma, 1910.
"United States Social Security Death Index," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/JRQ2-PT5 : accessed 03 Jul 2013), Edward Postma, 28 August 1997.