Commodore 128 Programmer's Ref

Commodore 128 Programmers Reference & Syatem Guides used worn a bit Bantam/CBM

The Commodore 128 Subroutine Library - Busch (1986 Bantam) Computer Programming

SAMS Commodore 128 Reference Guide For Programmers David Heiserman 1st Ed. Book

Commodore Computer Aided Design for the C-128 and C-64

COMPUTE'S 128 PROGRAMMER'S GUIDE By Ottis R. Cowper

Computer Systems: A Programmer's Perspective Second Edition, Bryant & O'Hallaron

Unix Time-Sharing System Programmer's Manual, Seventh Edition (1983), Vol. 1 & 2