RT Article T1 The Summit Lighthouse: Its Worldview and Theosophical Heritage JF Handbook of the theosophical current SP 173 OP 192 A1 Abravanel, Michael LA English PB Brill YR 2013 UL https://www.ixtheo.de/Record/175079652X SN 9789004235977 SN 9789004235960