r J.P.E. Hartmanns trykte kompositioner</em>. 
          As the title indicates, the catalogue only includes printed works, though he does include manuscripts in an introductory list; 
          the main section, however, comprises detailed bibliographical information on all printed works. Those listed in the catalogue are numbered from 1 to 228. 
          Most of the numbers include a single musical work as for instance ‘Sonate Nr. 1 i g-mol for violin og klaver, Opus 8’ (DF 1). 
          Later n