Kvartet no. 9 dlja dvuh skripok, alta i violončeli ; Kvartet no. 10 dlja dvuh skripok, alta i violončeli = Quartet no. 9 for two violins, viola and cello in C major, op. 59, no. 3 ; Quartet no. 10 for two violins, viola and cello in E-flat major, op. 74 - Beethoven, Ludwig van