<div class="description">
<dl><dd>Filmed from a copy of the original publication held by the D.B. Weldon Library, University of Western Ontario</dd>
<dd>43</dd></dl><br>Subjects: Cryptography; Ciphers; Cryptograhie; Chiffres (Cryptographie)</div>
<div class="fn value">
Maguire, Charles H. J. (Charles Henry Joseph)</div>
Internet Archive identifier