The Search for the New Isis, Divine Sophia, first
published by MERCURY PRESS in 1983, is a revised edition of these
four lectures previously available in typescript
They appear in German as
Lectures 13, 14, 15, 16 in: Die Bruecke zwischen
der Wellgeistigkeit und dem physischen im Menschen.
(Bibliographie–Nr. 202) published by the
Rudolf Steiner Nachlassverwaltung, Dornach,
Switzerland in 1970.