The Diploids - (original title= "The Diploids-Die,Freak")
Defense Mechanism
The Pyramid in the Desert - (original title= "And Be Merry")
The Snowball Effect
Incommunicado
Feedback
Games
Pictures Don't Lie

Original appearances were from 1949 to 1953 - split between Astounding and Galaxy, and one from Thrilling Wonder Stories.