Richard Roy Davidson, Lethbridge, Alberta. 

Alberta Cattle Breeders' Association catalogue, 58th. 1958 

FNCE 595-01 W1992 

Gauntlet, Volume 020, Number 028 

Alberta Gazette 1962, Part 1 

German Canadiana : a bibliography = Deutschkanadische Bibliographie 

Alberta Gazette 1958, Part 1 

Saskatchewan bibliography : first supplement 

Alberta Gazette 1974, part 1 

Alberta Gazette 1968, Part 1