Blavatsky, H. P. (Helena Petrovna) (1831 1891). Corson, Eugene Rollin books & textbook
Some unpublished letters of Helena Petrovna Blavatsky / with an introduction and commentary by Eugene Rollin Corson
Blavatsky, H. P. (Helena Petrovna) (1831-1891). Corson, Eugene Rollin
London : Rider 6 co /1929T Hardcover
