Columbia subject headings:
Hwang, Yun-sŏk, 1729-1791--Political and social views.
Hwang, Yun-sŏk, 1729-1791.
Philosophy, Korean.
Sirhak school.
Harvard subject headings:
Hwang, Yun-sŏk, 1729-1791
Hwang, Yun-sŏk, 1729-1791--Political and social views.
Philosophy, Korean
Sirhak school
Princeton subject headings:
Hwang, Yun-sŏk, 1729-1791.
Korea--Intellectual life--18th century.
Philosophy, Korean.
Sirhak school.