- Online Reading Lists from the Theosophical Society In America: https://www.theosophical.org/research-tools/reading-lists
The Theosophical Wiki is continually being updated as new scholars contribute to existing articles: http://www.theosophy.wiki
- Theosopedia the Internet Theosophical Encyclopedia: http://theosophy.ph/encyclo/index.php?title=Main_Page
- The Blavatsky Archives and Research Center includes rare materials on the life of the founder of modern Theosophy Madame Helena Petrovna Blavatsky (1831-1891) : http://www.blavatskyarchives.com/
- HP Blavatsky Net Foundation offers a wealth of original documents and study aids for students of theosophy: http://www.blavatsky.net/
- The Campbell Theosophical Research Library: http://www.austheos.org.au/clibrary/bindex-0.html