. "6487" . . "785.7 |c Snaarinstrumenten - ensembles, strijkersensembles (verschillende instrumenten) |d String ensembles and bowed string ensembles (different instruments)" . "785.14 |c Kwartetten |d Quartets" . . "784.1825 |c Variaties |d Variations" . . "6487 784.1825 |c Variaties |d Variations 785.14 |c Kwartetten |d Quartets 785.7 |c Snaarinstrumenten - ensembles, strijkersensembles (verschillende instrumenten) |d String ensembles and bowed string ensembles (different instruments) 785.71941825" . . "785.71941825" . "6487" .