Columbia subject headings:
Harvard subject headings:
Changdan-gun (Korea)--History.
Korea--History--Chosŏn dynasty, 1392-1910.
P'och'ŏn-gun (Korea)--History.
Suwŏn-si (Korea)--History.
Princeton subject headings:
Changdan-gun (Korea)--History.
Korea--History--Chosŏn dynasty, 1392-1910.
P'och'ŏn-gun (Korea)--History.
Suwŏn-si (Korea)--History.