La fotografia del siglo XX 
Museum Ludwig Colonia ; traducción de: Pedro Guillermet. 
 - Koln  Taschen  1997 
 - 760 p.  ill.  20 cm. 
<br/><br/> Translation of: Rheinisches Bildarchiv, Colonia. 
<br/><br/><label>ISBN: </label>382288541X  29.95 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Museum Ludwig--Exhibitions.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Photography--History--20th century.