Columbia subject headings:
Confucian education--Korea--History.
Public schools--Korea--History.
Harvard subject headings:
Confucian education--Korea--History.
Public schools--Korea--History.
Princeton subject headings:
Civil service--Korea--Chosŏn dynasty, 1392-1910.
Local government--Korea--History--Chosŏn dynasty, 1392-1910.
Local officials and employees--Korea--Chosŏn dynasty, 1392-1910.
Yangban.