Columbia subject headings:
Christian heretics--Russia--History.
Humanists--Russia--History.
Russia--Church history.
Sects--Russia--History.
Harvard subject headings:
Christian heretics--Russia--History.
Humanists--Russia--History.
Russia--Church history.
Russia--History--1237-1480.
Sects--Russia--History.
Princeton subject headings:
Christian heretics--Russia.
Russia--Church history.
Sects--Russia.