Columbia subject headings:
Brahms, Johannes, 1833-1897.
Music--Italy--Bologna--19th century--History and criticism.
Music--Italy--Romagna--19th century--History and criticism.
Harvard subject headings:
Brahms, Johannes, 1833-1897.
Music--Italy--Bologna--19th century--History and criticism.
Music--Italy--Romagna--19th century--History and criticism.
Princeton subject headings:
Brahms, Johannes, 1833-1897--Travel--Italy.
Music--Italy--Bologna--19th century--History and criticism.
Music--Italy--Romagna--19th century--History and criticism.