Hoofs and Horns. History of publication and o£ "Ma" Ethel A. Hopkins, editor. Desert. Aug. 1947. p.io Ethel:A. Hopkins, lady wrangler of a core country Aimaaac, Hoofs and Horns. Arizona Highways V 26 6ept. 1949 p 36 Biography sketch of editor and publisher. Western Writers of America The Roundup Oct., 1954 p.9 will carry official news and information of Rodeo Cowboys Association. Hoofs and Horns v.38 #9 Mr 1969 p.33