volume 2 of the 7th edition of the unix documentation has the long-form tutorial and reference material (vol 1 has the man pages)
the table of contents lists each paper with its title, author(s), and a brief blurb
for instance
UNIX Assembler Reference Manual.
D. M. Ritchie.
The ultimate dead language.
https://wiki.tuhs.org/doku.php?id=publications:manuals:research#seventh_edition