Columbia subject headings:
Excavations (Archaeology)--Korea (North)--Yonggang-gun.
Koguryŏ (Kingdom)--Civilization.
Tombs--Korea (North)--Yonggang-gun.
Yonggang-gun (Korea)--Antiquities.
Harvard subject headings:
Koguryŏ (Kingdom)--Antiquities.
Tombs--Korea (North)--Pʻyŏngan-namdo.
Princeton subject headings:
Koguryŏ (Kingdom)--Antiquities.
Tombs--Korea (North)--P'yŏngan-namdo.