<div class="fn value">
Unknown author<span style="display: none;">Unknown author</span></div>
19<sup>th</sup> century <div style="display: none;">date QS:P571,+1850-00-00T00:00:00Z/7</div>
Samuel L. Gerry. Old Masters of Boston. New England Magazine, v.3, no.6, Feb. 1891.