<a href="https://en.wikipedia.org/wiki/Abraham_Lincoln" class="extiw" title="w:Abraham Lincoln">Abraham Lincoln</a> Ostendorf# O-26; Meserve# M-26
Alexander Hessler
1860-06-03
Charles Sumner Young, <i>Clara Barton: A Centenary Tribute</i> (Boston, Richard G. Badger, 1922), page 433.  Scanned by <a href="//commons.wikimedia.org/wiki/User:Davepape" title="User:Davepape">Dave Pape</a>.