Columbia subject headings:
Harvard subject headings:
Gifu-ken (Japan)--History.
Historic sites--Japan--Gifu-ken.
Japan--History--Heian period, 794-1185.
Mongaku, approximately 1139-approximately 1203
Princeton subject headings:
Gifu-ken (Japan)--History.
Historic sites--Japan--Gifu-ken.
Japan--History--Heian period, 794-1185.
Mongaku, approximately 1139-approximately 1203.