Columbia subject headings:
Russia--Intellectual life--1801-1917.
Harvard subject headings:
Authors, Russian--19th century--Biography--Congresses.
Country life--Russia--Congresses.
Russia--Intellectual life--1801-1917.
Princeton subject headings:
Authors, Russian--19th century--Biography--Congresses.
Country life--Russia--Congresses.
Russia--Civilization--Congresses.