Occultist, medium and author of German-Russian aristocratic descent. She wrote hundreds of articles and several books, of which Isis Ontsluierd and De Geheime Leer are the most known. The last book was the standard work of the Theosophical movement, of which she was the founder. Blavatsky was during her life the main theorist of that movement. Isis ontsluierd: the very first Dutch edition, De Geheime Leer translated to the very first English edition of 1888 De geheime leer: de synthese van wetenschap, godsdenst en wijsbegeerte Part / parts: Dl. 1. Cosmo genesis: 2 Anthropogenesis Annotation: Geaut. Dutch translation. of the first English Publisher of 1888 Bound, original publisher’s binding De geheime leer: de synthese van wetenschap, godsdienst en wijsbegeerten / H.P. Blavatsky Part / parts: I: Cosmogenesis Year: 1934 Author: Helena Petrovna Blavatsky (1831-1891) Publisher: [Amsterdam]: [Theosophical Ed. Mij.] Size: xl, 562 pp. Size: 22 cm De geheime leer: de synthese van wetenschap, godsdienst en wijsbegeerten / H.P. Blavatsky Part / parts: II: Anthropogenesis Year: [1934] Author: Helena Petrovna Blavatsky (1831-1891) Publisher: Amsterdam: Theosofische Vereeniging Ned. Afd Annotation: Index Size: xv, 703, xxxi p Size: 22 cm Isis unveiled: een sleutel op de mysterien van de oude en de hedendaagsche wetenschap en godgeleerdheid / by H.P. Blavatsky; translation of the seventh English pressure by J.D. van Ketwich Verschuur Part / parts: Dl. 1: Wetenschap; Dl. 2: Godsgeleerdheid Year: 1911-1914 Author: Helena Petrovna Blavatsky (1831-1891) Employee: Jan Dirk van Ketwich Verschuur (1877-1940) Publisher: Amsterdam: Theosophical Publishers Society Annotation: Translation of: Isis unveiled Bound, original publisher’s binding Size: XVII, 799, / VII, 765 pp. 2 parts Size: 26 cm Signs of wear and colouration in accordance with age. Unique copies. Complete and in good condition.