Columbia subject headings:
Harvard subject headings:
Ballads, Japanese--History and criticism
Ballads, Japanese--Japan--Ryukyu Islands--History and criticism.
Japanese language--Etymology
Songs, Japanese--History and criticism.
Songs, Japanese--Japan--Ryukyu Islands--History and criticism.
Princeton subject headings:
Ballads, Japanese--History and criticism.
Ballads, Japanese--Japan--Ryukyu Islands--History and criticism.
Japanese language--Etymology.
Songs, Japanese--History and criticism.
Songs, Japanese--Japan--Ryukyu Islands--History and criticism.