The Fort at Dereagzi and other material remains in its vicinity:

From antiquity to the middle ages. Edited by James Morganstern. Contributions by James Morganstern, Clive Foss, Wolfgang W. Wurster, Jürgen Borchhardt, David French, Robert A. Bridges Jr., Günter Neumann, John Rosser, Timothy E. Gregory, Howard G. Crane, and Gary Vikan. The contributions do not include research on the Dereagzi Byzantine church which is published separately. XII,181 Seiten mit 39 Textabb. und 28 Tafeln mit 130 Abb., Großformat, Leinen (Istanbuler Forschungen; Band 40/Wasmuth Verlag 1993)