Knox, Calvin M. books & textbook
People Minus X / Lest We Forget Thee Earth (Classic Ace Double, D-291)
Raymond Z. Gallun Calvin M. Knox (pseud Robert Silverberg)
Ace Books, Inc. /1958T Mass Market Paperback / 288 Pages
isbn-10: 0441042910 / isbn-13: 9780441042913
The Plot Against Earth / Recruit For Andromeda
Knox, Calvin M / Lesser, Milton
Ace (D-358) /1958-01-01 Paperback
The Twisted Men / One of our Asteroids is Missing
Ace /1964T Mass Market Paperback / 254 Pages
Science Fiction Adventures December 1952
Knox, Calvin M.; Silverberg, Robert; Harrison, Harry et al.
Royal Publications /1952T Paperback
The Original Science Fiction Stories - June 1958 - Vol. 8, No. 7
Columbia Publications, Inc. /1958-01-01 Paperback
