My friend, my comrade in arms, I have a link[1] for you. If you read only one of these papers, then please just read the first one, but please note the author credits on almost all of them.

[1] http://doc.cat-v.org/plan_9/4th_edition/papers/

EDIT: In the past half hour, the original website went down, I don't think it is related to my link. Here is a different link with the same contents:

https://9p.io/sys/doc/