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