. . . "784.1856 |c Serenades |d Serenades" . "785.281931856" . "785.13 |c Trio's |d Trios" . "785.28 |c Ensembles van snaren en toets |d Ensembles of strings and keyboard" . . "6103 784.1856 |c Serenades |d Serenades 785.13 |c Trio's |d Trios 785.28 |c Ensembles van snaren en toets |d Ensembles of strings and keyboard 785.281931856" . "6103" . . "6103" .