Columbia subject headings:
Harvard subject headings:
Japan--History--1185-1600--Congresses.
Tōhoku Region (Japan)--Antiquities--Congresses.
Tōhoku Region (Japan)--Economic conditions--Congresses.
Princeton subject headings:
Japan--History--1185-1600--Congresses.
Tōhoku Region (Japan)--Antiquities--Congresses.
Tōhoku Region (Japan)--Economic conditions--Congresses.