Family tree▼
"United States Census, 1920," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MJ7W-6VT : accessed 23 Jul 2013), Herman Dykema, 1920.
"United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/K9ZF-J54 : accessed 23 Jul 2013), Herman Dykema, 1940.
"United States Census, 1930," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/XC8B-HSF : accessed 23 Jul 2013), Herman J Dykema, 1930.
"Michigan, Births and Christenings, 1775-1995," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/F4G8-CJV : accessed 23 Jul 2013), Herman Diekema, 09 Jul 1885.