Columbia subject headings:
Art nouveau--Soviet Union.
Art, Russian--19th century.
Art, Soviet.
Harvard subject headings:
Art nouveau--Russia.
Art nouveau--Soviet Union.
Art, Modern--19th century--Soviet Union.
Art, Modern--20th century--Soviet Union.
Art, Russian--19th century.
Art, Russian--20th century.
Princeton subject headings:
Art nouveau--Soviet Union.
Art, Modern--19th century--Soviet Union.
Art, Modern--20th century--Soviet Union.