1. Ahunbay, M. & Ahunbay, Z. 2000, Work on the Land Walls of Istanbul: Tower 2 toTower 5, in: DOP - Dumbarton Oaks Papers, Vol. 53, pp. 227-239.
2. Alexiou, M. 1999, Ploys of Performance: Games and Play in the Ptochoprodromic Poems, in: DOP - Dumbarton Oaks Papers, Vol. 53, pp. 91-109.
3. Berger, A. 2000, Streets and Public Spaces in Constantinople, in: DOP - Dumbarton Oaks Papers, edited by Alice – Mary Talbot, Vol. 54, pp. 161-172.
4. Bury, J. Bagnell, 1911, The Imperial Administrative System of the Ninth Century–With a Revised Text of the Kletorologion of Philotheos, London, Oxford University Press (in: http://en.wikipedia.or).
5. Dalby, A., 2007, Some Byzantine aromatics, 37th Annual Spring Symposium of Byzantine Studies, Eat, Drink and Be Merry (Luke12:19) , edited by Leslie Brubaker and Kallirrhoe Linardou.