DEC/DIGITAL PDP 11 Peripherals and Interfacing Handbook, 1972 (box 3)

Digital Equipment Corp (DEC) PDP-11 Peripherals Handbook 1976

1973 DEC PDP-11 Peripherals Handbook Programming Interfacing Digital Equip Corp.

PDP-11 PAL-11 Assembler & LINK-11 Linker Programmer’s Manual (1972)

Book - DEC Digital Equipment Corporation PDP-11 Peripherals Handbook

Vintage DEC Digital Equipment PDP-11 pdp11 Instruction List

digital PDP-11 Peripherals Handbook 1976

digital PDP-11 Peripherals Handbook 1975