Columbia subject headings:
Harvard subject headings:
Bohai (Kingdom)--Antiquities.
Korea--History--To 935.
Princeton subject headings:
Bohai (Kingdom)
Excavations (Archaeology)--China--Jilin Sheng.
Jilin Sheng (China)--Antiquities.
Korea--Civilization--To 935.
Tombs--China--Jilin Sheng.