Cornell University Library’s Witchcraft Collection is part of the Library’s Division of Rare and Manuscript Collections. It contains more than 3,000 books, manuscripts, and related materials. More information about the content of the collection is available on the Collection Overview page.
An online bookstore catering to all things occult and all paths. Especially interesting for its selection of left-hand path texts. A good site that brings lots of different books together so you can find the non-mainstream texts out there.
A publisher reprinting rare, forgotten, and unusual texts. Download them as .pdfs or purchase them online. Many categories are represented, from epic sagas to classical fiction, drama to architecture, history to technology.