The fifth encrypted message of <a href="//commons.wikimedia.org/w/index.php?title=The_Adventure_of_the_Dancing_Men&amp;action=edit&amp;redlink=1" class="new" title="The Adventure of the Dancing Men (page does not exist)">The Adventure of the Dancing Men</a>
Arthur Conan Doyle
<p>scan of a book:  Arthur Conan Doyle : The Strand Magazine
</p>
London December 1903 Vol. 26 No. 156; The Return of Sherlock Holmes, p. 608