 Beside these eight volumes, he published numerous occasional prints, which have so far not been completely registered in terms of bibliography.Endowed with a strong sense of his copyright, he tried to protect his compositions against pirated prints by means of privileges which he gained from the duke of Prussia and from the Polish king.The edition of "Poetisch-musikalische Lustwäldlein" of 1648 is one such pirated print of parts 1 to 6 of his "Arien," although in a different order and with many errors.