(5 Sep 1910 - 14 Feb 1992)
1. 1930 Census Williams Co., North Dakota.
2. North Dakota Public Death Index.
3. Minot Daily News, Obituary of Robert Louis Wilkinson (2) (n.p: August 12, 2006, n.d).
4. Find A Grave.
5. North Dakota Public Death Index.
6. Find A Grave.