s, and since then other descendants of J.P.E. Hartmann as well as acquaintances have handed over manuscripts. 
          Some music publishers also owned Hartmann manuscripts. In 1903–04, the music historian and publisher S.A.E. Hagen (1842–1929) – 
          who had owned Horneman &amp; Erslevs Musikforlag – presented a series of manuscripts among which were some of Hartmann’s. 
          In 1996, when the Danish Commission on the Export of Cultural Assets acquired the archives of the music pu