String quartet no. 12 (1950). String quartet no. 2 1955 String quartet no. 3 (1995) String quartet No. 1, 1951 String quartet no. 1, op. 20 String quartet No. 1 op. 20 String quartet No.1 (1950-1955) String quartet no. 1 String quartet no. 2 String quartet no. 2 in D major