Autor: Charles Willard Diffin

Ray Cummings, Sewell Peaslee Wright, Arthur J. Burks, Charles Willard Diffin, R. F. Starzl

Ray Cummings, Charles Willard Diffin, Jack Williamson, Harl Vincent, F. V. W. Mason

Captain S. P. Meek, Charles Willard Diffin, Harry Bates, Desmond Winter Hall, F. V. W. Mason, Anthony Gilmore

Sewell Peaslee Wright, Murray Leinster, Hal K. Wells, Charles Willard Diffin, Harold Thompson Rich

Captain S. P. Meek, Charles Willard Diffin, Harl Vincent, Sophie Wenzel Ellis, David R. Sparks

Ray Cummings, Captain S. P. Meek, Hal K. Wells, Charles Willard Diffin, Nat Schachner, Arthur L. Zagat

Ray Cummings, Charles Willard Diffin, Harl Vincent, Lloyd Eshbach, Victor Rousseau, William Merriam Rouse

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

Hugh B. Cave, Captain S. P. Meek, Charles Willard Diffin, Harl Vincent, Anthony Pelcher, Victor Rousseau, Sophie Wenzel Ellis

Charles Willard Diffin

Charles Willard Diffin