1900 USA, MI, Lenawee Co., Seneca, ED 60 sheet 13A

1910 USA, MI, Lenawee Co., Seneca, ED 81 sgeet 2A

1920 USA, MI, Eaton Co., Charlotte Ward 4, ED 95 sheet 5B

1930 USA, MI, Calhoun Co., Battle Creek, ED 13-26 sheet 9A

1940 USA, MI, Calhoun Co., Battle Creek, ED 13-24 sheet 63A

1950 USA, MI, Kent Co., Grand Rapids Ward 3, ED 87-186 sheet 72

Draft-Koon, Gerald F., WWI

Draft-Koon, Gerald f., WWII

Grand Rapids (MI) Press 12-13-1951