1. 5) Keisuke Inomata and Shigeyuki Okazaki : Significance of the Architectural Space and Mountains in the Christian Art of the Inner Narthex of the Chora Church, Intercultural Understanding, Vol. 4, pp. 27-35, 2014.8
2. 6) Keisuke Inomata, Shigeyuki Okazaki and Kazuhiko Yanagisawa : Functions of Mountains in Visual Composition of Christian Paintings in the Chora Church, Intercultural Understanding, Vol. 1, pp. 25-30, 2011.3
3. 7) R. Ousterhout : The architecture of the Kariye Camii in Istanbul, Dumbarton Oaks Research Library and Collection, 1987
4. 8) R. Ousterhout : The Art of the Kariye Camii, SCALA, 2002
5. 9) R. Ousterhout : The Virgin of the Chora, “The Sacred Image East and West” Edited by R. Ousterhout and L. Brubaker, Illinois Byzantine Studies IV, University of Illinois Press, pp. 91-109, 1995