The Conspiracy Episode: Conspiracy Love, 1985 and Annette Arky, Playboy, Comics, Underground, Deep Underground, Ninjas, Guns and G-Files, The Muffin File, The Comfort of Conspiracy, The Mechanism of the World, The Dark Byways, A Friend Forgotten. I mention Da Muffin Papers, you can browse them here:  https://archive.org/details/DaMuffinPapers The event I'm speaking of at the end is Heroku's Waza year 2013. My talk, "Time Travel from 2100: A Kit" is viewable at https://vimeo.com/61059533.

A 2003 Loompanics Catalog: https://archive.org/details/Loompanics_Catalog_2003 Loompanics and Paladin Press were the classic go-to for "Underground Publishing" although I had a number of others I got in the mail. Both these organizations had FBI files, released in 2011: https://boingboing.net/2011/07/20/fbi-releases-files-o-1.html