Jack Williamson
Ray Cummings, Jack Williamson, Harry Bates, Harold Thompson Rich, Nat Schachner, Arthur L. Zagat, A. R. Holmes
Ray Cummings, Sewell Peaslee Wright, Paul Ernst, Jack Williamson, Edmond Hamilton, Tom Curry, Anthony Gilmore
Ray Cummings, Charles Willard Diffin, Jack Williamson, Harl Vincent, F. V. W. Mason
