<div class="description">
Subjects:</div>
<div class="fn value">
Mason, Charles, A. M. [from old catalog]</div>
<dl><dd><a rel="nofollow" class="external free" href="https://archive.org/details/elementarytreati00maso">https://archive.org/details/elementarytreati00maso</a></dd>
<dd><a rel="nofollow" class="external free" href="https://archive.org/download/elementarytreati00maso/elementarytreati00maso.pdf">https://archive.org/download/elementarytreati00maso/elementarytreati00maso.pdf</a></dd></dl>