String quartets

I listed some string quartets I like.

String Quartet No. 5 in E flat major, Op. 44, No. 3 - by Mendelssohn
String Quartet No. 4 in E minor, Op. 44, No. 2 - by Mendelssohn
String Quartet No. 6 in F minor, Op. 80 - by Mendelssohn
String Quartet No. 13 in A minor, D. 804 - by Schubert
String Quartets Nos. 1-6, Op. 20 "Sun" - by Haydn