Columbia subject headings:
Bulgakov, Mikhail, 1891-1940--In literature.
Harvard subject headings:
Bulgakov, Mikhail Afanasʹevich, 1891-1940, in fiction, drama, poetry, etc.
Bulgakov, Mikhail, 1891-1940--In literature.
Princeton subject headings:
Bulgakov, Mikhail, 1891-1940--Fiction.
Fiction.