Columbia subject headings:
Japan--Foreign relations--Silla (Kingdom)
Japan--History--Heian period, 794-1185.
Silla (Kingdom)--Foreign relations--Japan.
Harvard subject headings:
Japan--Foreign relations--Silla (Kingdom)
Japan--History--Heian period, 794-1185.
Silla (Kingdom)--Foreign relations--Japan.
Princeton subject headings:
Japan--Foreign relations--Silla (Kingdom).
Japan--History--Heian period, 794-1185.
Silla (Kingdom)--Foreign relations--Japan.