Medium in works metadata

Capture the medium of the work in metaItem with about='medium'.

//metaItem[@about='work']/metaItem[@about='medium']

Capture a description of the type of medium in metaDescribes[@predicate='description'].

If a unique id exists for the type of medium, capture in it metaDescribes[@predicate='mediumID'].


      <metaItem about="medium">
        <metaDescribes predicate="mediumID">x2023971</metaDescribes>
        <metaDescribes predicate="description">tin–glazed terracotta</metaDescribes>
      </metaItem>