He is the author of Conflict and Chaos in Eastern Europe, Culture and History in Eastern Europe, co-author of The Palgrave Concise Historical Atlas of Eastern Europe, author of The Balkans, and The Bulgarians in the Seventeenth Century. He has edited a number of scholarly books and has authored numerous articles on Bulgarian and Balkan history. He is a past-president of the Bulgarian Studies Association and was a Fulbright Scholar to Bulgaria in 1989.Harold E. Cox is professor and chair of the department of history at Wilkes University, Pennsylvania. He is the former editor of Pennsylvania Historyand has written extensively on the history of urban transportation and the development of inner cities in the nineteenth century. He has created historical maps for various publications since the early 1950s.