Columbia subject headings:
Brahms, Johannes, 1833-1897--Congresses.
Music--Italy--19th century--Congresses.
Schumann, Robert, 1810-1856--Congresses.
Harvard subject headings:
Brahms, Johannes, 1833-1897--Criticism and interpretation--Congresses.
Music--Italy--19th century--Congresses.
Schumann, Robert, 1810-1856--Criticism and interpretation--Congresses.
Princeton subject headings:
Brahms, Johannes, 1833-1897--Congresses.
Music--Italy--19th century--Congresses.
Schumann, Robert, 1810-1856--Congresses.