String quartet No. 1, 1951 String quartet No. 2, 1959 String quartet No. 3, 1971 String quartet no. 2 1955 String quartet No. 4, 1986 String quartet No. 5, 1995 String quartet no. 12 (1950). String quartet no. 3 (1995) String quartet no. 1, op. 20 String quartet no. 1