Columbia subject headings:
Philosophers--Russia (Federation)--Biography.
Philosophers--Russia--Biography.
Philosophy, Russian--19th century.
Philosophy, Russian--20th century.
Harvard subject headings:
Philosophers--Russia--Biography
Philosophers--Russia--Biography.
Philosophy, Russian--19th century.
Philosophy, Russian--20th century.
Princeton subject headings:
Philosophers--Russia (Federation)--Biography.
Philosophers--Russia--Biography.
Philosophers--Soviet Union--Biography.
Philosophy, Russian--19th century.
Philosophy, Russian--20th century.