Navigable inland waterways, central Europe. 
Map and text by Blessie M. McWhorter for the Military Intelligence Division. 
 - [n.p.]  The Military Intelligence Division, General Staff, U.S.A.,  1918. 
 - 54 p.  fold. map.  20 cm. 
<br/><br/><label>LCCN: </label>war20000049  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inland navigation--Europe.
<br/><br/><label>LC Class. No.: </label>HE447  / .U5 1918