Columbia subject headings:
Ivan I, Grand Prince of Vladimir and Moscow, 1304?-1340?
Muscovy (Grand Duchy)
Russia--History--1237-1480.
Harvard subject headings:
Ivan I, Grand Prince of Vladimir and Moscow, 1304?-1340?
Muscovy (Grand Duchy)
Russia--History--1237-1480
Princeton subject headings:
Ivan I, Grand Prince of Vladimir and Moscow, 1304?-1340?
Muscovy (Grand Duchy)
Russia--History--1237-1480.