Columbia subject headings:
Ippen, 1239-1289.
Ji (Sect)--Doctrines.
Harvard subject headings:
Buddhism--Japan--History--1185-1600
Ji (Sect)--History.
Princeton subject headings:
Buddhism--Japan--History--1185-1600.
Ippen, 1239-1289.
Ji (Sect)--Doctrines.
Ji (Sect)--History.