Columbia subject headings:
Harvard subject headings:
Hong, Tae-yong, 1731-1783
Neo-Confucianism--Korea--History.
Philosophy, Korean--18th century.
Sirhak school--History.
Princeton subject headings:
Hong, Tae-yong, 1731-1783.
Neo-Confucianism--Korea--History.
Sirhak school--History.