Cozzens, Arthur B. <br/><br/>
Conservation in german settlements of the missouri ozarks. 

 - New York-US :   Geografical record,   1943. 
 - páginas 286-298 :   Ilustraciones blanco y negro 
 - Irregular 
 - Vol. XXXIII, no. 2(Apr. 1943) 
 - The Geographical Review ;   no. 2 .
 - The Geographical Review. .