The Theosophical Glossary by H.P. Blavatsky (PDF)

The Key to Theosophy: A Clear Exposition Based on the Wisdom Religion of All Ages by H.P. Blavatsky (PDF)

Madame Blavatsky on the Book of Enoch by H.P. Blavatsky (PDF)

Dynamics of The Psychic World: On Magic, Mediumship, Psychism, and the Powers of The Spirit by H. P. Blavatsky (PDF)

Initiation, Human and Solar by Alice A. Bailey (PDF)

The Annotated Book of Dzyan by Frater Apollonius (PDF)

The Voice of the Silence: Being Extracts from the Book of the Golden Precepts by H.P. Blavatsky (PDF)

Isis Unveiled: A Master-Key to the Mysteries of Ancient and Modern Science and Theology Volumes 1 and 2 by H. P. Blavatsky (PDF)

The Secret Doctrine: The Synthesis of Science, Religion and Philosophy, Vol. 2, Anthropogenesis by H. P. Blavatsky (PDF)

The Secret Doctrine: The Synthesis of Science, Religion and Philosophy, Vol. 1, Cosmogenesis by H. P. Blavatsky (PDF)