Willett, John.
Art and politics in the Weimar period: the new sobriety, 1917-1933 /
John Willett 
. - New York : Pantheon Books,  1978 
. - 272 p.  ill.  25 cm. 
<br/>К.: Бібліогр. : c. 260-263, Index 
<br/><label>  ISBN: </label>0-394-49628-0