found: Her The Valdez horses, 1967.
found: Cont. authors, new rev. ser., v. 18(Hoffman, Lee; b. Aug. 14, 1932; daughter of William and Vera Hoffman; lists western novels, science fiction novels, and science fiction anthologies; lists historical romance novels under pseud. Georgia York)
found: Savage conquest, 1983:t.p. (Georgia York)
found: LC Public Copyright Catalog, database, 12 Jun. 2009(Copyright claimant, Lee Hoffman writing as Georgia York)
found: Internet speculative fiction database, 7 December 2017(Lee Hoffman; legal name: Shirley Bell Hoffman; born 14 August 1932 in Chicago; died 6 February 2007)
found: Wikipedia, 7 December 2017(Lee Hoffman, born Shirley Bell Hoffman; female; (August 14, 1932, Chicago, Illinois- February 6, 2007, Port Charlotte, Florida) was an American science fiction fan, an editor of early folk music fanzines, and an author of science fiction, Western and romance novels; also wrote under the pseudonym Georgia York)