 
                            
                        
                        
                        
                                        
                                        comment on his painting 'Eight student nurses', compared with Warhol's art-work 'Thirteen most wanted man', in 1964 
Source: after 2000, Doubt and belief in painting' (2003), p. 56, note 79
                                    
            quote in 1927 
Source: Life with the painters of La Ruche, Vorobëv Marevna, Macmillan, New York, 1972, p. 156
        
                                        
                                        comment on his painting 'Eight student nurses', compared with Warhol's art-work 'Thirteen most wanted man', in 1964 
Source: after 2000, Doubt and belief in painting' (2003), p. 56, note 79
                                    
1995 and later, interview in Kirkeby’s home studio, Copenhagen (2012)
                                        
                                        1950's 
Source: Interiors, Vol. 110, no 10, May 1951; as quoted in Abstract Expressionism Creators and Critics, ed. Clifford Ross, Abrams Publishers New York 1990, p. 172
                                    
                                        
                                        In an interview (March 1960) with David Sylvester, edited for broadcasting by the BBC first published in 'Living Arts', June 1963; as quoted in Interviews with American Artists, by David Sylvester; Chatto & Windus, London 2001, pp. 27-28 
1960s
                                    
                                        
                                        Quote of Vincent van Gogh in his letter to Horace Mann Livens, from Paris, September or October 1886; from  letter 569 - vangoghletters online http://vangoghletters.org/vg/letters/let569/letter.html 
1880s, 1886
                                    
                                        
                                        as quoted by Joseph A. Harriss, in 'The Elusive Marc Chagall', - the 'Smithsonian Magazine', December 2003  https://www.smithsonianmag.com/arts-culture/the-elusive-marc-chagall-95114921/ 
after 1930
                                    
                                        
                                        Quote from Corot's letter to his friend M. Francais in 1875, the year of his death 
1870s
                                    
 
                            
                        
                        
                         
                            
                        
                        
                         
                            
                        
                        
                        