 He died on November 18, 2005.Perry's masterwork, "A Treasury of Traditional Wisdom" (1971, reedited twice), is a testament to his contacts and personal ties with representatives of Hinduism, Buddhism, Judaism, Christianity, Sufism, and, not least, with Native American Indians.This opus is a true Summa of the Philosophia perennis, namely a harvesting of the timeless spiritual wisdom culled from every major tradition in the world.