Columbia subject headings:
Korean literature--To 1900--History and criticism.
Korean poetry--To 1900--History and criticism.
Nature in literature.
Philosophy of nature.
Travelers' writings, Korean--History and criticism.
Harvard subject headings:
Korean literature--To 1900--History and criticism
Korean poetry--To 1900--History and criticism
Nature in literature
Philosophy of nature
Travelers' writings, Korean--History and criticism.
Princeton subject headings:
Korean literature--To 1900--History and criticism.
Nature in literature.
Travelers' writings--History and criticism.