Title: Die alten Mosaiken der Apostelkirche und der Hagia Sophia.
Authors: Heisenberg, August, 1869-1930.
Publisher: Impr. "Hestia",
Year: 1912
Subjects: Hagioi Apostoloi (Church : Istanbul, Turkey); Ayasofya Müzesi.; Mosaics, Byzantine Turkey Istanbul.; Christian art and symbolism Turkey Istanbul.