The Machine Language Book of the Commodore 64 * - Paper Back Edit

Machine Language for the Commodore 64, 128, and Other Commodore Computers - SB

Compute's Machine Language Routines for the Commodore 64

Commodore 64 Assembly Language Arcade Game Programming - By Steve Bress - PB

Compute's Machine Language Routines for the Commodore 64

Machine Language For The Commodore 64, 128, and Other Commodore C

The Machine Language Book of the Commodore 64 - By Lothar Englisch - PaperBack

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