by Roy Norton
by Thomas K. Holmes
by Keith Laumer
by Emile Morel
by Harold Bell Wright
by Fredric Brown
by Jr. Horatio Alger
by Henry Wallace Phillips
by C. C. (Charles Carroll) Goodwin
by Frank Lewis Nason
by V. E. Thiessen
by Roger Kuykendall
by Geraldine Bonner
by A. A. O. Gilmour
by Willis George Emerson
by Jos. E. (Joseph Edward) Badger
by Otto Binder
by Edward Sylvester Ellis
by Henry Hasse
by Raymond Z. Gallun
by W. C. (Wilbur C.) Tuttle