Columbia subject headings:
Historians--Soviet Union.
Kareev, N. I. (Nikolaĭ Ivanovich), 1850-1931--Political and social views.
Harvard subject headings:
Historians--Soviet Union.
Kareev, N. I. (Nikolaĭ Ivanovich), 1850-1931--Political and social views.
Princeton subject headings:
Historians--Soviet Union--Biography.
Kareev, N. I. (Nikolaĭ Ivanovich), 1850-1931.