Picasso : Fifty Years of his Art (exhibition New York, The Museum of Modern Art, 15.11.1939 - 07.01.1940 ; Chicago, The Art Institute, 01.02 - 03.03.1940 ; St. Louis, City Art Museum, 16.03 - 14.04.1940). - Barr, Alfred Hamilton (Jr.) (The Museum of Modern Art,, 1966)