Chessboard Planet novel Galaxy, 1956
“The Dark Angel” Startling Stories Mar 1946
“Deadlock ” Astounding Aug 1942
“Endowment Policy ” Astounding Aug 1943
“Exit the Professor” Thrilling Wonder Stories Oct 1947
“Line to Tomorrow ” Astounding Nov 1945
“Margin for Error ” Astounding Nov 1947
“Open Secret ” Astounding Apr 1943
“The Piper's Son” short fiction Astounding Feb 1945
“The Prisoner in the Skull ” Astounding Feb 1949
“Project ” Astounding Apr 1947
Robots Have No Tails collection Gnome Press, 1952
Tomorrow and Tomorrow and the Fairy Chessmen collection Gnome Press, 1951
“What You Need ” short fiction Astounding Oct 1945
“When the Bough Breaks” short fiction Astounding Science Fiction Nov 1944