Tác giả: R. F. Starzl
Metal Moon
R. F. Starzl, Everett C. Smith
Astounding Stories 20, August 1931
Captain S. P. Meek, Harl Vincent, R. F. Starzl, Harry Bates, Ralph Milne Farley
Astounding Stories 18, June 1931
Ray Cummings, Sewell Peaslee Wright, Arthur J. Burks, Charles Willard Diffin, R. F. Starzl
Astounding Stories 08, August 1930
Arthur J. Burks, Murray Leinster, Harl Vincent, Victor Rousseau, Edmond Hamilton, R. F. Starzl, Harold Thompson Rich