Isis Unveiled: A Master-key to the Mysteries of Ancient and Modern Science and Theology (1877)
by Helena Petrovna Blavatsky
2185226Isis Unveiled: A Master-key to the Mysteries of Ancient and Modern Science and Theology1877Helena Petrovna Blavatsky

Volume I - Science
Volume II - Theology

This work was published before January 1, 1929, and is in the public domain worldwide because the author died at least 100 years ago.

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