6800 Assembly Language Programming 1978?-Paperback-Levanthal. Osborne

6502 Assembly Language Programming by Lance A. Leventhal 1979 Paperback Book

Commodore 64/128 Assembly Language Programming - 6x9 Coil Bound Edition

Assembly Language Programming with the Commodore 64 Marvin De Jong 1984

Assembly Language Programming With The Commodore 64 By Marvin L. De Jong - PB

Commodore 128 Assembly Language Programming

6502 Assembly Language Programming 1979-Paperback-Levanthal

Assembly Language Programming With The Commodore 64 By Marvin L. De Jong - COIL