Autor: Harl Vincent

Harl Vincent

Harry Bates, Ralph Milne Farley, Captain S. P. Meek, R. F. Starzl, Harl Vincent

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

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

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

Ray Cummings, Robert H. Leitfred, Captain S. P. Meek, Victor Rousseau, Harl Vincent

Arthur J. Burks, Edmond Hamilton, Murray Leinster, Harold Thompson Rich, Victor Rousseau, R. F. Starzl, Harl Vincent

Arthur J. Burks, Tom Curry, Charles Willard Diffin, Murray Leinster, Captain S. P. Meek, Harl Vincent, Sewell Peaslee Wright

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

Harl Vincent

Harl Vincent

Harl Vincent