Eastern Half of the Roman Empire
The eastern half of the Roman Empire. No dates are indicated on the map. Longmans, Green & Co.
Perry-Castañeda Library: Map Collection: Historical Maps of the Middle East–http://www.lib.utexas.edu/maps/historical/history_middle_east.html 
From East and West Though Fifteen Centuries, Volume II, by G. F. Young. Published by Longmans, Green and Co. 1916.