Soldier, Ask Not - Gordon R. Dickson - 1967 1st Dell Books Paperback

Necromancer by Gordon R Dickson, Daw 1st Printing. 1978, scarce Canadian edition

Pro by Gordon Dickson 1978 Ace 1st Printing Paperback

The Far Call by Gordon R. Dickson 1989 TOR 1st Printing Paperback

The Far Call By Gordon R. Dickson, Book Club Edition, 1978 HC/DJ

The Far Call by Gordon R Dickson First Dell PB Printing 1978 SF Mars Novel

Pro by Gordon Dickson 1978 Ace 1st Printing Paperback

The Far Call By Gordon R Dickson Book Club Edition 1978 HCDJ Science Fiction