The Space Barbarians
Tom Godwin
Ragnarok (2)
Greybeard
Brian W. Aldiss
The Early Asimov
Isaac Asimov
The Million Year Hunt
Kenneth Bulmer
The Golden People
Fred Saberhagen
The Ethical Engineer
Harry Harrison
Deathworld (2)
Mythical Beasties
Isaac Asimov & Martin H. Greenberg & Charles G. Waugh
Isaac Asimov's Magical Worlds of Fantasy (6)
Into the Alternate Universe
A. Bertram Chandler
John Grimes Rimworld (12)
Three Worlds to Conquer
Poul Anderson
Sam Hall Universe (1)
The Rest of the Robots
The Positronic Robot Stories (1)