Opis na rukopisite i staropechatnite knigi na Narodnata biblioteka v Sofiia
Narodna biblioteka "Kiril i Metodii".
T︠S︡onev, B.
Sofiı︠a︡ Durzhavna pechatnit︠s︡a
1910-1971
Tom 3, 4 published by Nauka i izkustvo
Title varies
Includes indexes
Manuscripts
Manuscripts, Slavic
Manuscripts, Church Slavic
Manuscripts, Bulgarian
Slavic literature