Columbia subject headings:
Harvard subject headings:
Bulgakov, Mikhail, 1891-1940--Criticism and interpretation.
Zabolot︠s︡kiĭ, N. (Nikolaĭ), 1903-1958--Criticism and interpretation.
Princeton subject headings:
Authors, Russian--20th century--Biography.
Bulgakov, Mikhail, 1891-1940--Biography.
Ermolinskiĭ, Sergeĭ--Biography.
Politics and literature--Soviet Union.
Soviet Union--Intellectual life--1917-1970.
Zabolot︠s︡kiĭ, N. (Nikolaĭ), 1903-1958--Biography.