Columbia subject headings:
Bulgarian literature--1762-1900--History and criticism.
Bulgarian literature--20th century--History and criticism.
Folk songs, Bulgarian--Rhodope Mountains Region--History and criticism.
Folk songs, Macedonian--Rhodope Mountains Region--History and criticism.
Veda Slovena.
Harvard subject headings:
Bulgarian literature--1762-1900--History and criticism.
Bulgarian literature--20th century--History and criticism.
Folk songs, Bulgarian--Rhodope Mountains Region--History and criticism.
Folk songs, Bulgarian--Rhodopes Mountain Region--History and criticism.
Folk songs, Macedonian--Rhodope Mountains Region--History and criticism.
Veda Slovena.
Princeton subject headings:
Bulgarian literature--1762-1900--History and criticism.
Bulgarian literature--20th century--History and criticism.
Folk songs, Bulgarian--Rhodopes Mountain Region--History and criticism.
Folk songs, Macedonian--Rhodope Mountains Region--History and criticism.
Veda Slovena.