Columbia subject headings:
Omoro sōshi.
Ryukyuan literature--History and criticism.
Ryukyuan literature--Research.
Harvard subject headings:
Omoro sōshi.
Ryukyuan literature--History and criticism.
Ryukyuan literature--Research.
Princeton subject headings:
Omoro sōshi.
Ryukyuan literature--History and criticism.
Ryukyuan literature--Research.