Columbia subject headings:
Bulgarian literature--19th century--History and criticism.
Bulgarian literature--20th century--History and criticism.
Harvard subject headings:
Bulgarian literature--1762-1900--History and criticism.
Bulgarian literature--20th century--History and criticism.
Literature--Miscellanea
Princeton subject headings:
Bulgarian literature--1762-1900--History and criticism.
Bulgarian literature--20th century--History and criticism.
Literature--Miscellanea.
Trivia and miscellanea.