 
                            
                        
                        
                        
                                        
                                        Quote in an undated letter to Alleta de Jongh, Paris, c. Spring 1912; as cited in Mondrian, - The Art of Destruction, Carel Blotkamp, Reaktion Books LTD. London 2001, p. 243, note 61 
1910's
                                    
                                        
                                        Quote in an undated letter to Alleta de Jongh, Paris, c. Spring 1912; as cited in Mondrian, - The Art of Destruction, Carel Blotkamp, Reaktion Books LTD. London 2001, p. 243, note 61 
1910's
                                    
Interview in Die Zeit newspaper (2001) http://www.eonline.com/news/42093/aaliyah-funeral-set-pilot-probed
                                        
                                        (1986) n.p. 
Structures are no longer valid', in "Ein Gespräch..."
                                    
 
                            
                        
                        
                        