Geographic Medicine is a translation of Die Erkenntnis des Uebersinnlichen und die menschlichen
Seelenraetsel.
Das Geheimnis des Doppelgaengers. Geographische
Medizin.
These lectures were published in 1966 by the Rudolf
Steiner
Nachlassverwaltung in Dornach, Switzerland in the volume entitled Individuelle Geistwesen und ihr Wirken in der Seele des
Menschen
(Bibliographie-Nr. 178).
This second Mercury Press edition is thoroughly
revised
by Alice Wulsin from the most recent German edition.
It includes portions that were omitted in earlier
editions.