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1890's
                                    
            In a letter, 1883, to his son Lucien; as quoted by C., & Rewald, in Camille Pissarro: Letters to his son Lucien, New York: Pantheon Books, 1943 p. 32 
1880's
        
                                        
                                        Quote in a letter to his son Lucien (1894); as quoted in Painting Outside the lines, Patterns of Creativity in Modern Art, David W. Galenson, Harvard University Press, 30 Jun 2009, p. 84 
1890's
                                    
Source: 1961 - 1980, transcript of a public forum at Boston university', conducted by Joseph Ablow 1966, pp. 73-75
                                        
                                         Interview with Nigel Farndale, "The talented Mr. Hockney" http://www.telegraph.co.uk/arts/main.jhtml?xml=/arts/2003/11/17/bahock17.xml The Telegraph (15 November 2001) 
2000s
                                    
                                        
                                        In a letter to Mr. Clifford, February 14, 1948; as quoted in Letters of the great artists – from Ghiberti to Gainsborough, Richard Friedenthal, Thames and Hudson, London, 1963, pp. 238-239 
1940s
                                    
Source: Quotes of Paul Cezanne, after 1900, Cézanne, - a Memoir with Conversations, (1897 - 1906), p. 221 in: 'What he told me – III. The Studio'
On how drawings are used in all of its forms as a recurrent theme in From the Cables of Genocide in “Poetry Saved My Life: An Interview with Lorna Dee Cervantes” https://opencourses.uoa.gr/modules/document/file.php/ENL9/Instructional%20Package/Texts//Readings/Chicana%20Movement-%20Further%20Reading/An%20Interview%20with%20Lorna%20Dee%20Cervantes.pdf (Spring 2007)
                                        
                                        Quote of Daumier from his handwritten, undated letter, presumably to mr. Deschamps, probably Monday 20 December 1843; from   website Daumier http://www.daumier.org/14.0.html#c760 
1840's
                                    
Source: Ascending Peculiarity: Edward Gorey on Edward Gorey
“To draw, you must close your eyes and sing”
 
                            
                        
                        
                         
                            
                        
                        
                         
                            
                        
                        
                         
                            
                        
                        
                         
                            
                        
                        
                         
                            
                        
                        
                        