String quartet no. 11 in F minor, op. 95 "Serioso." String quartet no. 11 in F minor, op. 95 "Quartetto serioso" String quartet no. 12 in F major, op. 96 "American" String quartet no. 1 in B minor, op. 50 (1931) String quartet no. 4 in C minor, op. 18 no. 4 String quartet no. 15 in A minor, op. 132 String quartet no. 2 in A minor op. 35 String quartet no. 2 in A minor, op. 13 String quartet no. 4 in C minor, op. 18/4 String quartet no. 8 in C minor, op. 110