Chiprovtsi.
Contributors: Duǐchev, Ivan; Damianov, Simeon; Neshev, Georgi; Paunova, Anna; Kirmagova, Angelina; Bǔlgarska akademiia na naukite, Sofia. Institut za istoriia
Publisher: BAN
Published: 1971
Place of publication: Sofiia
Language: bul
Number of pages: 284