Columbia subject headings:
Harvard subject headings:
Brahms, Johannes, 1833-1897.
Bruckner, Anton, 1824-1896
Wagner, Cosima, 1837-1930.
Princeton subject headings:
Brahms, Johannes, 1833-1897.
Bruckner, Anton, 1824-1896.
Wagner, Cosima, 1837-1930.