Schulz, Paul Arnold,  1889- <br/><br/>
Gibraltar :  der Schlüssel zum Mittelmeer? / 
von P.A. Schulz-Wilmersdorf. 
 - Leipzig :  F. Wilhelm,  [1940] 
 - 63 p. ;  22 cm. 
<br/><br/><label>LCCN: </label>af 47006873  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Gibraltar--History.
<br/><br/><label>LC Class. No.: </label>DP302.G38  / S4