Pŭrvobŭlgarskii︠a︡t kalendar : analiz na izvorite, vŭzstanovka i izvodi /

by Kandimirov, Veselin
Published 2021

Titli i imena v Pŭrvata bŭlgarska dŭrzhava : sravnitelen analiz /

by Voĭnikov, Zhivko
Published 2018

Prabŭlgarski epigrafski pametnit͡si /

by Beshevliev, Veselin, Beshevliev, Veselin
Published 1981

Da iztrŭgnesh slovo ot kamŭka : za kakvo razkazvat sveshtenite nadpisi na ezika na Asparukh /

by Dobrev, Petŭr, 1943-, Dobrev, Petŭr, 1943-
Published 2002