Richard Howells Watkins
Contributing Writer 5
 | Argosy All-Story Weekly, October 21, 1922 | Magazine |
 | Flynn's Weekly Detective Fiction, April 28, 1928 | Pulp Magazine |
 | Argosy, Dec. 8, 1934 | Pulp Magazine |
 | Street & Smith's Detective Story Magazine, November 1939 | Pulp Magazine |
 | Adventure, September 1943 | Pulp Magazine |