Columbia subject headings:
Chopin, Frédéric, 1810-1849--Criticism and interpretation.
Chopin, Frédéric, 1810-1849--Manuscripts.
Harvard subject headings:
Chopin, Frédéric, 1810-1849--Criticism and interpretation.
Chopin, Frédéric, 1810-1849--Manuscripts.
Princeton subject headings:
Chopin, Frédéric, 1810-1849--Criticism and interpretation.
Chopin, Frédéric, 1810-1849--Manuscripts.