Columbia subject headings:
Beethoven, Ludwig van, 1770-1827. Songs.
Songs with instrumental ensemble--History and criticism.
Harvard subject headings:
Beethoven, Ludwig van, 1770-1827. Songs.
Folk songs, English--Great Britain--History and criticism.
Songs with instrumental ensemble--History and criticism.
Songs, English--Great Britain--History and criticism.
Princeton subject headings:
Beethoven, Ludwig van, 1770-1827. Lieder,