Columbia subject headings:
Harvard subject headings:
Buddhism--Japan--History--1185-1600
Ritsu (Sect)--History--To 1500.
Ritsu (Sect)--History.
Zen Buddhism--Japan
Zen Buddhism--Japan--History--To 1500.
Princeton subject headings:
Buddhism--Japan--History--1185-1600.
Ritsu (Sect)--History.
Zen Buddhism--Japan.