| Quellen |
- [S22] 1900 United States Federal Census, Year: 1900; Census Place: Mapleton, Monona, Iowa; Page: 1; Enumeration District: 0071; FHL microfilm: 1240449.
- [S263] Iowa, Marriage Records, 1880-1940, Iowa Department of Public Health; Des Moines, Iowa; Series Title: Iowa Marriage Records, 1880–1922; Record Type: Textual Records.
- [S29] 1910 United States Federal Census, Year: 1910; Census Place: Mapleton, Monona, Iowa; Roll: T624_414; Page: 6A; Enumeration District: 0077; FHL microfilm: 1374427.
- [S449] Iowa, Delayed Birth Records, 1856-1940, State Historical Society of Iowa; Des Moines, Iowa.
|