Battlefield Earth novel St. Martin's, 1982
“Behind the Black Nebula” Astounding Jan 1942
Black Genesis novel Bridge, 1986
Mission Earth novel 1987
Ole Doc Methuselah collection Theta, 1970
“The Professor Was a Thief ” Astounding Feb 1940
“To the Stars ” short fiction Astounding Feb,Mar 1950
Typewriter in the Sky novel Gnome, 1951
Typewriter in the Sky and Fear collection Gnome Press, 1951
“When Shadows Fall ” Startling Stories Jul 1948