Columbia subject headings:
Chopin, Frédéric, 1810-1849--Friends and associates.
Composers--Biography.
Composers--France--Biography.
Pleyel, Camille, 1788-1855--Friends and associates.
Harvard subject headings:
Chopin, Frédéric, 1810-1849--Friends and associates.
Composers--Biography
Composers--France--Biography
Pleyel, Camille, 1788-1855--Friends and associates.
Princeton subject headings:
Chopin, Frédéric, 1810-1849--Friends and associates.
Composers--Biography.
Composers--France--Biography.
Pleyel, Camille, 1788-1855--Friends and associates.