1985 (1964) Andre Norton NIGHT OF MASKS science fiction adventure BALLANTINE pb

1975 Gordon R. Dickson SOLDIER, ASK NOT Dorsai military SF novel DAW PB #UE1339

1981 Gordon R Dickson NECROMANCER Childe Cycle/Dorsai prequel ACE VG!

1967 Gordon R Dickson SOLDIER, ASK NOT Dorsai / Childe Cycle #3 FIRST DELL ED'N

Vintage_Tactics of Mistake by Gordon R Dickson 1971 DAW Paperback

Gordon R. Dickson - Lost Dorsai (Childe Cycle #6) - 1981 - paperback

Tactics Of Mistake by Gordon R Dickson DAW

Gordon R Dickson Naked to the Stars Pyramid SF PB