Tác giả: Harold Thompson Rich
Astounding Stories 19, July 1931
Ray Cummings, Jack Williamson, Harry Bates, Harold Thompson Rich, Nat Schachner, Arthur L. Zagat, A. R. Holmes
Astounding Stories 13, January 1931
Sewell Peaslee Wright, Murray Leinster, Hal K. Wells, Charles Willard Diffin, Harold Thompson Rich
Astounding Stories 08, August 1930
Arthur J. Burks, Murray Leinster, Harl Vincent, Victor Rousseau, Edmond Hamilton, R. F. Starzl, Harold Thompson Rich