The most detailed community-created "papers" (comprehensive text files) are available on specialized gaming sites: Armored Core 10 Works Complete File
: A 144-page English paperback written by Joe Grant Bell and published by Prima Games in September 2002. Armored Core 3
: A comprehensive Japanese book that includes official in-universe timelines and detailed structures of Armored Cores (ACs) for the first ten games, including Armored Core 3. Digital "Full Paper" Guides (Walkthroughs & Lists) Armored Core 3
If you are looking for physical or digitized professional guides, the following are the primary "paper" resources: Armored Core 3