Columbia subject headings:
Bulgarian prose literature--20th century--History and criticism.
Comparative literature--Bulgarian and Russian.
Comparative literature--Russian and Bulgarian.
Russian literature--History and criticism.
Soviet literature--History and criticism.
Harvard subject headings:
Bulgarian prose literature--20th century--History and criticism.
Comparative literature--Bulgarian and Russian.
Comparative literature--Russian and Bulgarian.
Russian literature--History and criticism
Soviet literature--History and criticism.
Princeton subject headings: