"Le Prof. Risley et ses deux fils, Dans le ballet Aérien" (p.35) from a scrapbook of the  Astley's Amphitheatre. Undated, but certainly 19th century. <a rel="nofollow" class="external text" href="http://id.lib.harvard.edu/aleph/013110435/catalog">TS 931.10, Harvard Theatre Collection</a>, Harvard University
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Jules Petit</div>
1844 <a rel="nofollow" class="external autonumber" href="https://books.google.com/books?id=QbN6LKH4PPMC&amp;pg=PA367">[1]</a>
<a rel="nofollow" class="external text" href="http://id.lib.harvard.edu/aleph/013110435/catalog">TS 931.10, Harvard Theatre Collection</a>, Harvard University