| Title: | The Key to Theosophy |
| Author: | Blavatsky, H. P. (Helena Petrovna), 1831-1891 |
| Link: | HTML at TUP |
| Link: | multiple formats at archive.org |
| Stable link here: | http://onlinebooks.library.upenn.edu/webbin/book/lookupid?key=olbp12264 |
| Subject: | Theosophy |
| Call number: | BP561 .K4 |