Columbia subject headings:
Civilization--Philosophy.
Culture--Philosophy.
Herzen, Aleksandr, 1812-1870.
Leontʹev, Konstantin, 1831-1891.
Philosophy, Russian--19th century.
Harvard subject headings:
Civilization--Philosophy
Culture--Philosophy
Herzen, Aleksandr, 1812-1870.
Leontʹev, Konstantin, 1831-1891.
Philosophy, Russian--19th century.
Princeton subject headings:
Civilization--Philosophy.
Culture--Philosophy.
Herzen, Aleksandr, 1812-1870.
Leontʹev, Konstantin, 1831-1891.
Philosophy, Russian--19th century.