1978 Mostek Zilog Z80 CPU Microcomputer System Pocket Micro-Reference Manual

Vintage TRS-80 Model III Start-Up Micro-Computer System Quick Reference Manual

Radio Shack Tandy TRS-80 Micro Computer Technical Reference Manual Handbook

Radio Shack TRS-80 Micro Computer Technical Reference Handbook 1978 Publication

the Z-80 microcomputer handbook - 1978 - 300 Pages

Data General AOS Macroassembler Reference Manual minicomputers — MOSTEK binders

Mostek 1979 Memory Data Book Vintage Computing Catalog Manual

Radio Shack TRS-80 Micro Computer Reference Handbook & Level II Users Manual