John A. Tweer
Ancestry.com
- 1900 United States Federal Census
- 1910 United States Federal Census
- U.S., World War I Draft Registration Cards, 1917-1918 for John Tweer
- 1920 United States Federal Census
- 1930 United States Federal Census
- 1940 United States Federal Census
- U.S., Department of Veterans Affairs BIRLS Death File, 1850-2010
- U.S., Social Security Death Index, 1935-2014
Fultonhistory.com
- Obituaries: John A. Tweer, Sr. - Courier Standard Enterprise, Fort Plain, NY, April 13, 1976, p. 13