Syncretism : based on papers read at the Symposium on Cultural Contact, Meeting of Religions, syncretism held at Abo on the 8th-10th of September, 1966 - Symposium on Cultural Contact. Meeting of Religions; Hartman, Sven S. 1917-1988 (Scripta Instituti Donneriani Aboensis (Almqvist & Wiksell), 1966)