PDP-11 Architecture Handbook (1983)
PDP-11 Microcomputer Interfaces Handbook (1983)
PDP-11 Micro/PDP-11 Handbook (1983)
PDP-11 Unibus PDP-11 Handbook 11/84, 11/44, 11/24 (1985)
In addition, there are:
PDP-11 Programming Card (1975)
VT220 Installation Guide (1984)
VT220 Programmer Pocket Guide (1984)
They are all in excellent shape.
Owner is willing to send via USmail for free. I saw a picture of them and
they are in mint condition. Email me off-list if interested.
Best,
J