Signature of Archibald Scott Cleghorn dated May 26, 1879.
<ul><li><a href="//commons.wikimedia.org/wiki/File:Archibald_Scott_Cleghorn_1879_signature.jpg" title="File:Archibald Scott Cleghorn 1879 signature.jpg">Archibald_Scott_Cleghorn_1879_signature.jpg</a>: <a href="https://en.wikipedia.org/wiki/Archibald_Scott_Cleghorn" class="extiw" title="en:Archibald Scott Cleghorn">A.S. Cleghorn</a></li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Malyszkz" title="User:Malyszkz">Malyszkz</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Malyszkz" title="User talk:Malyszkz"><span class="signature-talk">talk</span></a>)</li></ul>
<ul><li><a href="//commons.wikimedia.org/wiki/File:Archibald_Scott_Cleghorn_1879_signature.jpg" title="File:Archibald Scott Cleghorn 1879 signature.jpg">Archibald_Scott_Cleghorn_1879_signature.jpg</a></li></ul>