Hume, Fergus,  1859-1932 <br/><br/>
The Opal Serpent  [electronic resource] / 
Fergus Hume 
 -  Project Gutenberg,  2008 
 - Project Gutenberg  24769 .
<br/><br/> Public domain in the USA. 
<br/><br/>Electronic text 
<br/><br/><label>Subjects--Index Terms: </label>Detective and mystery stories 
<br/><br/><label>LC Class. No.: </label>PZ