Sources for Adelaide :

1. 1900 United States Federal Census, Database online. Stillwater Ward 1, Washington, Minnesota, ED , roll , page .Record for William Greeder
2. Public Member Trees, Database online.Record for Adelaide A Greeder
3. 1910 United States Federal Census, Database online. Year: 1910; Census Place: Stillwater Ward 1, Washington, Minnesota; Roll: T624_730; Page: 5B; Enumeration District: 180; Image: 984.Record for William Gruder
4. 1920 United States Federal Census, Database online. Year: 1920; Census Place: Stillwater Ward 1, Washington, Minnesota; Roll: T625_866; Page: 7B; Enumeration District: 184; Image: 967.Record for William Greeder