generic documentation
troff
- Troff User’s Manual (Joseph F. Ossanna, Brian W. Kernighan)
PDF, PostScript - A TROFF Tutorial (Brian W. Kernighan)
PDF, PostScript - A Typesetter-independent TROFF (Brian W. Kernighan)
PDF, PostScript - Typing Documents on the UNIX System: Using the −ms Macros with Troff and Nroff (M. E. Lesk)
PDF, PostScript
preprocessors and other stuff
- A System for Typesetting Mathematics (Brian W. Kernighan, Lorinda L. Cherry)
PDF, PostScript - Typesetting Mathematics — User’s Guide (Second Edition) (Brian W. Kernighan, Lorinda L. Cherry)
PDF, PostScript - Grap — A Language for Typesetting Graphs Tutorial and User Manual (Jon L. Bentley, Brian W. Kernighan)
PDF, PostScript - PIC — A Graphics Language for Typesetting User Manual (Brian W. Kernighan)
PDF, PostScript - Tools for Printing Indexes (Jon L. Bentley, Brian W. Kernighan)
PDF, PostScript - Making Pictures With GNU PIC (Eric S. Raymond)
PDF, PostScript - Examples of pic Macros (W. Richard Stevens)
PDF, PostScript - Some Applications of Inverted Indexes on the UNIX System (M. E. Lesk)
PDF, PostScript - Tbl — A Program to Format Tables (M. E. Lesk)
PDF, PostScript
fonts
various
UNIX™ System V – Documentor’s Workbench
Documenter’s Workbench™ (1983 edition)
Documentor’s Workbench™ (1989 edition)
Note the name change from Documenter’s Workbench to Documentor’s Workbench
Apple A/UX®
A/UX® Text Processing Tools