Online version of the book by Leon Birnbaum, it gives a matephysical view of life, based on science and mathematics.
http://www.geocities.com/leonbirnbaum
The story of a Hindu boy who renounced caste and joined H.P. Blavatsky and Colonel Olcott in their work. Compiled by Sven Eek. His thoughts on chelaship, his occult experiences and information on his life.
http://www.theosociety.org/pasadena/damodar/dam-hp.htm