[translated from the Bulgarian, Stefan Kostov ; editor, Dimiter Markovski]. Khristov, Khristo Angelov,. c1985. History of Bulgaria, 1393–1885 / [by] Mercia
[translated from the Bulgarian, Stefan Kostov ; editor, Dimiter Markovski]. Khristov, Khristo Angelov,. c1985. History of Bulgaria, 1393-1885 / [by] Mercia
Press. 1999 [2020-07-02]. ISBN 0-521-36289-X. (原始内容存档于2020-07-14). Angelov, Dimiter. The Byzantine Hellene: The Life of Emperor Theodore Laskaris and Byzantium
[translated from the Bulgarian, Stefan Kostov ; editor, Dimiter Markovski]. Khristov, Khristo Angelov,. c1985. History of Bulgaria, 1393-1885 / [by] Mercia