Ray Cummings, Sewell Peaslee Wright, Paul Ernst, Jack Williamson, Edmond Hamilton, Tom Curry, Anthony Gilmore
Sewell Peaslee Wright, Captain S. P. Meek, Arthur J. Burks, Murray Leinster, Charles Willard Diffin, Harl Vincent, Tom Curry
Ray Cummings, Murray Leinster, Charles Willard Diffin, Tom Curry, James P. Olsen
Ray Cummings, Captain S. P. Meek, Arthur J. Burks, Thomas H. Knight, Anthony Pelcher, Tom Curry
