string quartet No.15 in G D887 String quartet no.15 in G D887 String Quartet No.15 in G D887 String quintet No.15 in G D887 String quartet no.1 in A, op.26 String quartet no.1 in D, op.11 string quartet no.1 & 2 string Quartet No.2 in G minor string quartet no.1, etc. string quartet nos.1 & 2