Los Cuentos Fantásticos - Issue 2, July 1948
Los Cuentos Fantásticos - Issue 12, 1949
- An Experiment With Time · Forrest J. Ackerman / Francis Flagg
- 240,000 Miles Straight Up · L. Ron Hubbard
- Cosmophobia · Miller Verne Gordon
- The Truth About Pyecraft · H.G. Wells
- In His Image · Bryce Walton
- Swing Low · Elmer Perdue
- The Pioneer · Arthur J Burks
Los Cuentos Fantásticos - Issue 14, 1949
- I, Mars · Ray Bradbury
- Sin Identificar · Harry Warner Jr.
- Dhactwhu, Remember? · Jacques DeForrest Erman / Wilfred Owen Morley
- Atomic Error · Forrest J. Ackerman
- The Incredible Destination · L. Ron Hubbard
- High Tide · Hester Gaskell
- The Girl With The Hungry Eyes · Fritz Leiber
Mas Alla - Issue 3, August, 1953
- Not Fit for Children · Evelyn E. Smith
- The Conquest of Space · Chesley Bonestell / Willy Ley
- Beyond All Weapons · L. Ron Hubbard
- Cuidado con el perro · Hector Sanchez Puyol
- The Sentimentalists · Murray Leinster
- The Maze · Frank M Robinson
- Mars Child · Cyril Judd