Columbia subject headings:
Harvard subject headings:
Ballad, Japanese--History and criticism.
Ballad, Ryukyu--History and criticism.
Japanese poetry--To 794--History and criticism
Ryukyuan poetry--History and criticism.
Songs, Japanese--History and criticism.
Songs, Ryukyuan--History and criticism.
Princeton subject headings:
Ballads, Japanese--History and criticism.
Ballads, Ryukyuan--History and criticism.
Japanese poetry--To 794--History and criticism.
Ryukyuan poetry--History and criticism.
Songs, Japanese--History and criticism.
Songs, Ryukyuan--History and criticism.