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Quote of Picasso in Futurism, ed. Didier Ottinger; Centre Pompidou / 5 Continents Editions, Milan, 2008 
Quotes, 1930's, "Conversations avec Picasso," 1934–35
                                    
Gino Severini, in a letter to Umberto Boccioni, Paris, 29 October 1912; as quoted in Futurism, ed. Didier Ottinger; Centre Pompidou / 5 Continents Editions, Milan, 2008, p. 55
                                        
                                        Boisgeloup, winter 1934 
Quote of Picasso in Futurism, ed. Didier Ottinger; Centre Pompidou / 5 Continents Editions, Milan, 2008 
Quotes, 1930's, "Conversations avec Picasso," 1934–35
                                    
                                        
                                        Boccioni's critical art quote to Orphism and simultaneity pictures Orphism, as alternative concept for Cubism as a soft version of Futurist painting; in 'Les futurists plagues en France', Boccioni, in 'Lacerba', Florence 1, no. 7, 1 April 1913 
1913
                                    
Source: Jacques Lipchitz: My life in sculpture, 1972, p. 41
Source: 1946 - 1963, In conversation with Dora Vallier' (1954), p. 264
Source: 1912, Les exposants au public', 1912, pp. 2, 3.
Source: The Life of a Painter - autobiography', 1946, Letters of the great artists', 1963, p. 248
                                        
                                        like in Neo-Plasticism / De Stijl 
Quote in Mondrian's letter to Lodewijk van Deyssel (who reacted as Dutch art critic on Mondrians essay: 'Le Néo-plasticisme'] Paris, February 1921; as cited in Mondrian, - The Art of Destruction, Carel Blotkamp, Reaktion Books LTD. London 2001, p. 136 
1920's
                                    
 
                            
                        
                        
                         
                            
                        
                        
                         
                            
                        
                        
                         
                            
                        
                        
                        