Columbia subject headings:
Authors, Bulgarian--20th century--Biography.
Raĭnov, Nikolaĭ, 1889-1954.
Harvard subject headings:
Raĭnov, Nikolaĭ, 1889-1954--Criticism and interpretation.
Princeton subject headings:
Authors, Bulgarian--20th century--Biography.
Raĭnov, Nikolaĭ, 1889-1954.