Columbia subject headings:
Hyangga--Concordances.
Hyangga--Criticism and interpretation.
Korean language--To 935--Writing.
Harvard subject headings:
Hyangga--Concordances.
Hyangga--History and criticism.
Korean language--To 935--Writing.
Princeton subject headings:
Concordances.
Hyangga--Concordances.
Hyangga--Criticism and interpretation.
Korean language--To 935--Writing.