Columbia subject headings:
Harvard subject headings:
Intellectuals--Russia--History--19th century.
Intellectuals--Russia--History--20th century.
Jews--Russia--Intellectual life--19th century.
Jews--Russia--Intellectual life--20th century.
Princeton subject headings:
Dubnow, Simon, 1860-1941.
Gershenzon, M. O. (Mikhail Osipovich), 1869-1925.
Idelʹson, A., 1865-1921.
Jewish scholars--Russia--Biography.
Jews--Russia--History--19th century.
Jews--Russia--History--20th century.
Jews--Russia--Intellectual life--19th century.
Jews--Russia--Intellectual life--20th century.