Columbia subject headings:
Bulgarian philology.
Civilization, Slavic.
Gesemann, Wolfgang, 1925-
Slavic philology.
Harvard subject headings:
Bulgarian philology.
Civilization, Slavic.
Gesemann, Wolfgang, 1925-
Slavic philology.
Princeton subject headings:
Gesemann, Wolfgang, 1925-
Slavic languages--History.
Slavic literature--History and criticism.