Columbia subject headings:
Harvard subject headings:
Tantric Buddhism--Relations--Tendai (Sect)
Tendai (Sect)--History.
Tendai (Sect)--Relations--Tantric Buddhism.
Princeton subject headings:
Tantric Buddhism--Relations--Tendai (Sect)
Tendai (Sect)--History.
Tendai (Sect)--Relations--Tantric Buddhism.