- Debugging With Gdb Manual (Richard M. Stallman / Free Software Foundation)
- The Gnu Emacs Lisp Reference Manual: Gnu Emacs Version 18 for Unix Users (Gnu Manual Group / Free Software Foundation)
- Gnu Emacs Manual (Richard M. Stallman / Specialized Systems Consultants)
- Make Manual (Richard M. Stallman, Roland McGrath / Free Software Foundation)
- GNU Emacs Manual Version 20 (Richard M. Stallman / Free Software Foundation)