Ralphson, G. Harvey  1879-1940 <br/><br/>
Boy Scouts Mysterious Signal; Or, Perils of the Black Bear Patrol  [electronic resource] / 
G. Harvey Ralphson 
 -  Project Gutenberg,  2007 
 - Project Gutenberg  22991 .
<br/><br/> Public domain in the USA. 
<br/><br/>Electronic text 
<br/><br/><label>Subjects--Index Terms: </label>World War, 1914-1918 -- Juvenile fiction Boy Scouts of America -- Juvenile fiction 
<br/><br/><label>LC Class. No.: </label>PZ