Columbia subject headings:
Authors' spouses--Soviet Union--Biography.
Authors, Russian--20th century--Biography.
Bulgakov, Mikhail, 1891-1940.
Bulgakova, E. S. (Elena Sergeevna)
Harvard subject headings:
Authors' spouses--Soviet Union--Biography
Authors, Russian--20th century--Biography
Bulgakov, Mikhail, 1891-1940--Biography--Last years and death.
Bulgakova, E. S. (Elena Sergeevna)--Diaries.
Princeton subject headings:
Authors, Russian--20th century.
Bulgakov, Mikhail, 1891-1940--Criticism and interpretation.
Bulgakova, E. S. (Elena Sergeevna)--Diaries.