Columbia subject headings:
Bulgarian literature--History and criticism.
Church Slavic literature--History and criticism.
Dinekov, Petŭr, 1910-1992.
Folklore--Bulgaria.
Folklore--Slavic countries.
Harvard subject headings:
Bulgarian literature--History and criticism.
Church Slavic literature--History and criticism.
Folklore--Bulgaria
Folklore--Slavic countries
Princeton subject headings: