Signature of <a href="https://en.wikipedia.org/wiki/Colin_Robert_Chase" class="extiw" title="en:Colin Robert Chase">Colin Robert Chase</a>, taken from his 1971 Ph.D. thesis.
<a href="https://en.wikipedia.org/wiki/Colin_Robert_Chase" class="extiw" title="en:Colin Robert Chase">Colin Chase</a>
1971-04-22
Chase, Colin (1971). Panel Structure in Old English Poetry (Ph.D.). University of Toronto.