http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Ballade no. 1 in G minor, op. 23 ; Ballade no. 2 in F minor, op. 38 ; Ballade no. 3 in A flat, op. 47 ; Ballade no. 4 in F minor, op. 52 ; Trois nouvelles etudes. op. posth
1 audio disc : 33 1/3 rpm, stereo ; 12 in.