The Voices of medieval Bulgaria, seventh-fifteenth centuries : the records of a bygone culture

von Petkov, Kiril, 1964-
East Central and Eastern Europe in the Middle Ages, 450-1450 ; 5
Leiden ; Boston : Brill, 2008.
Umfang/Format: xvii, 573 p. ; 25 cm.

State and church : studies in medieval Bulgaria and Byzantium

Sofia : American Research Center in Sofia, 2011.
Umfang/Format: xi, 300 p. : ill. ; 25 cm.