Columbia subject headings:
Russia--History--To 1533.
Velikiĭ Novgorod (Russia)--History--Sources.
Harvard subject headings:
Novgorod (Russia)--History--Sources--Chronology.
Novgorod (Russia)--History--Sources.
Russia--History--1237-1480--Sources.
Princeton subject headings:
Novgorod (Russia)--History--Sources.