Lot of Wang VS Manuals from 1979-1981 in a thick binder:
- Procedure Language Reference, 3rd Edition, March 1981
- Programmer's Introduction, 4th Edition, September 1979
- File Management Utilities, Release 2, April 1979
- Utilities Reference Manual, 2nd Edition, May 1980
- VS Software Bulletin #5, March 1981
