Columbia subject headings:
Novgorodskai︠a︡ Feodalʹnai︠a︡ Respublika--Civilization--Congresses.
Velikiĭ Novgorod (Russia)--Congresses.
Velikiĭ Novgorod (Russia)--In literature--Congresses.
Harvard subject headings:
Novgorod (Russia)--Civilization--Congresses.
Novgorod (Russia)--In literature--Congresses.
Princeton subject headings:
Novgorod (Russia)--Civilization--Congresses.
Novgorod (Russia)--In literature--Congresses.