C Doubtful works, and works that have been lost</td>
            <td>(HartW C 01–05)</td>
          </tr>
          <tr>
            <td colspan="2">D Not considered a work</td>
            <td>(HartW D 01)<br/>&#160;</td>
          </tr>
          <tr>
            <td colspan="2">
              <b>Collections</b>
            </td>
            <td>(HartW Coll. 01–23)</td>            
          </tr>
        </table>
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