Weigert, Hans Werner, 1902- <br/><br/>
Principles of political geography 
/ by Hans W. Weigert and others 
 - Appleton-Century-Crofts : New York  1957 
 - xiv, 723 p. maps. 25 cm. 
<br/><br/><label>LCCN: </label>56-009859 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geopolitics