Thanks. I'll seek these out next time I get to a university library. I'd like to read more good books on multiprocessing.

Two other OS texts in my collection that I really enjoyed were:

UNIX Internals: The New Frontiers

by Uresh Vahalia

https://openlibrary.org/works/OL2938389W/Unix_Internals

and,

The Design and Implementation of the 4.4 BSD Operating System

by McKusick, Bostic, Karels, and Quarterman

https://openlibrary.org/works/OL19501888W/The_design_and_imp...