Here are the books and other printed matter I found and read in the game:
Residence tent, Jon's area: Jon's notes, letter about Nancy (in the trunk) Residence tent, Nancy's area: "Glyphs" book, dictionary, "How to Read Egyptian Hieroglyphics" book (in the trunk), Professor Hotchkiss's book (on the nightstand) Residence tent, Lily's area: curses book, trunk lock booklet (left of bed), snake book, postcard, "Slithering Snakes Reptile Emporium" flyer, Jon's missing notes (in the trunk) Residence tent, Abdullah's area: letter re: Lily, letter re: Jamila (in the trunk)
Antiquities tent, left table: "Relic" book, S.P.I.E.D. flyer Antiquities tent, shelves: site map with numbers Antiquities tent, right table: list of amulets Antiquities tent, outside: scrap re: the jackal amulet
Dylan: "Pantheon" page
Tomb, upper room: journal page (January 14-20) Tomb, cat tomb, inside drawer: journal pages (December 8-23) Tomb, tunnel 5: journal pages (December 30 - January 10)