British Library Loan MS 88 folio 1v - Becket Leaves Alexander III
<bdi><a href="https://en.wikipedia.org/wiki/en:Matthew_Paris" class="extiw" title="w:en:Matthew Paris"><span title="medieval English chronicler and artist (c.1200-1259)">Matthew Paris</span></a>
</bdi>
<i>Haskins Society Journal</i> Volume 2, 1990 p. 242