Portrait of British-born Americain lithographer Thomas S. Sinclair (c. 1805-1881)
Unknown author<span style="display: none;">Unknown author</span>
before 1882 <div style="display: none;">date QS:P,+1882-00-00T00:00:00Z/7,P1326,+1882-00-00T00:00:00Z/9</div>
<a rel="nofollow" class="external text" href="https://digital.librarycompany.org/islandora/object/digitool%3A79776">Library Company of Philadelphia Digital Collections</a>, from <a href="https://www.wikidata.org/wiki/Q110627094" class="extiw" title="d:Q110627094">Joseph Jackson</a>, <i>Some Notes Towards a History of Lithography in Philadelphia</i>, Philadelphia, 1900