Ralphson, G. Harvey  1879-1940 <br/><br/>
Boy Scouts in the North Sea; Or, The Mystery of a Sub  [electronic resource] / 
G. Harvey Ralphson 
 -  Project Gutenberg,  2008 
 - Project Gutenberg  25798 .
<br/><br/> Public domain in the USA. 
<br/><br/>Electronic text 
<br/><br/><label>Subjects--Index Terms: </label>Submarines (Ships) -- Juvenile fiction World War, 1914-1918 -- Juvenile fiction Boy Scouts of America -- Juvenile fiction 
<br/><br/><label>LC Class. No.: </label>PZ