"Robert Barr, Miss Doyle, Conan Doyle, Mrs. Conan Doyle, Robert McClure"
not stated
The Bookman: <a rel="nofollow" class="external free" href="http://babel.hathitrust.org/cgi/pt?id=uc1.%24b623112;view=1up;seq=577;size=200">http://babel.hathitrust.org/cgi/pt?id=uc1.$b623112;view=1up;seq=577;size=200</a>