Columbia subject headings:
Harvard subject headings:
Japanese poetry--To 794--History and criticism
Waka--History and criticism
Ōtomo, Yakamochi, 718?-785--Criticism and interpretation.
Princeton subject headings:
Japanese poetry--To 794--History and criticism.
Ōtomo, Yakamochi, 718?-785--Criticism and interpretation.
Waka--History and criticism.