Museums and gallery holdings sections within entries

In biographical entries, capture information on the subject's museum and gallery holdings within section with role="museumAndGalleryHoldings".

e/section[@role="museumAndGalleryHoldings"]

MAG	Entry museum and gallery holdings


      <section role="museumAndGalleryHoldings" id="acref-9780199773787-e-00027384-section-5">
        <textMatter><div1 id="acref-9780199773787-e-00027384-div1-5" doi="10.1093/benz/9780199773787.article.B00027384.021.5">
 <titleGroup id="acref-9780199773787-e-00027384-titleGroup-3">
   <title>
                             <p>Museum and Gallery Holdings</p>
                         </title>
 </titleGroup>
 <p>
   <list>
     <list1 listType="unstructured">
       <item1>
                                     <p>Marseilles (Mus. Cantini): <bibItem id="acref-9780199773787-e-00027384-bibItem-3" class="artwork" author="Brown, James" title="Portrait of Thief" date="1985">
                                             <i>Portrait of Thief</i>(1985)</bibItem> </p>
                                 </item1>
       <item1>
                                     <p>Paris (Mus. Louvre): <bibItem id="acref-9780199773787-e-00027384-bibItem-4" class="artwork" author="Brown, James" title="Theatre of Chariot and Shells" date="1990">
                                             <i>Theatre of Chariot and Shells</i>(1990)</bibItem> </p>
                                 </item1>
     </list1>
   </list>
 </p></div1>
        </textMatter>
      </section>