Bŭlgarskii͡a︡t dukh prez vi͡e︡koveti͡e︡
Subtitle: prinos kŭm obshchestveniti͡e︡ dvizhenii͡a︡ v istorii͡a︡ta na Bŭlgariti͡e︡
By: Stefan Avramov.
Publisher: [s.n.]
Published: 1944
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 167
Subjects: Bogomiles.