https://pulpetti-biblio.blogspot.com/2008/11/frank-castle.html
Pulpetti Bibliographic Section: Frank Castle from the Fictionmags Index
CASTLE, FRANK; see pseudonym Steve Thurman * Code of the Buckskin Breed, (ss) 10 Story Western Magazine Mar 1950 * The Sixgun in His Saddle...
frank castlefrom thebibliographicsectionindex