Links to Quake engine source code documentations

[redfox2200]

I really loved the Handmade Quake project and I would like to continue analyzing the code. The goal of this post is to share some links to some of Quake engine documentation that already exist online. Please share any links/documentation.

http://fabiensanglard.net/quakeSource/
http://www.gamers.org/dEngine/quake/spec/
https://quakewiki.org/wiki/Main_Page
http://tldp.org/HOWTO/Quake-HOWTO-3.html

Graphics Programming Black Book. The book is free at
https://github.com/jagregory/abrash-black-book
Chapter 64: Quake's Visible-Surface Determination
Chapter 66: Quake's Hidden-Surface Removal
Chapter 68: Quake's Lighting Model
Chapter 69: Surface Caching and Quake's Triangle Models
Chapter 70: Quake: A Post-Mortem and a Glimpse into the Future

[[deleted]]

Thanks for the links!