Bŭlgarskite khanove i tsare, VII-XIV vek
Subtitle: istoriko-khronologichen spravochnik
By: Ĭordan Andreev.
Edition: 1. izd. --
Publisher: Dŭrzh. izd. "D-r Fetŭr Beron"
Published: 1988
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 214
Subjects: Bulgaria -- Kings and rulers