 Most of them are for transverse flute, including more than 200 sonatas, around 300 concertos, including several for two flutes; around 45 trio sonatas (mostly for 2 flutes or flute and violin, with continuo); 6 quartets for flute, violin, viola and continuo; various flute duets and flute trios; and unaccompanied caprices and fantasias for flute.The thematic catalog for Quantz's works was published by Horst Augsbach.