Columbia subject headings:
Authors, German--19th century--Biography.
Rückert, Friedrich, 1788-1866--Musical settings.
Rückert, Friedrich, 1788-1866.
Harvard subject headings:
Authors, German--19th century--Biography
German poetry--19th century--History and criticism
Rückert, Friedrich, 1788-1866--Songs and music--History and criticism.
Rückert, Friedrich, 1788-1866.
Princeton subject headings: