ks, 
          though brief lists were compiled during his lifetime and during the twentieth century. 
          In 1870, Axel Liebmann (1849–1876) published a catalogue of the works composed between 1825 and 1870.<a href="#_ftn1" 
            class="abbr ftnref">1<span class="expan"><em>Musik-Tidende</em>, 2/7 (July 1870).</span></a>&#160;It was divided into compositions with 
          the opus numbers 1–69 and those without opus numbers up to and including <em>Hilsen til Norge</em> 
          <a