Columbia subject headings:
Bulgakov, Sergiĭ, 1871-1944--Criticism and interpretation.
Philosophy, Russian--19th century.
Philosophy, Russian--20th century.
Philosophy, Russian--Religious aspects.
Harvard subject headings:
Bulgakov, Sergiĭ, 1871-1944--Criticism and interpretation.
Bulgakov, Sergiĭ, 1871-1944--Criticism and interpretation.
Philosophy, Russian--19th century.
Philosophy, Russian--20th century.
Philosophy, Russian--Religious aspects.
Princeton subject headings:
Bulgakov, Sergiĭ, 1871-1944--Criticism and interpretation.
Philosophy, Russian--19th century.
Philosophy, Russian--20th century.
Philosophy, Russian--Religious aspects.