
Quote of van Doesburg, in van 'Painting and plastic art': Elementarism – fragment of a manifesto' Paris, December 1926 – April 1927; in De Stijl, Theo van Doesburg – series XIII, 78, 1926–27, pp. 82–87
1926 – 1931
'Search for the Real in the Visual Arts', p. 40-46
Search for the Real and Other Essays (1948)
Quote of van Doesburg, in van 'Painting and plastic art': Elementarism – fragment of a manifesto' Paris, December 1926 – April 1927; in De Stijl, Theo van Doesburg – series XIII, 78, 1926–27, pp. 82–87
1926 – 1931
'Painting and Culture' p. 57
Search for the Real and Other Essays (1948)
Quote in Mondrian's letter to Rudolf Steiner, c. 1921-23; as cited in Abstract Painting, Michel Seuphor, Dell Publishing Co 1964, p. 83-85
1920's
Quote from Van Doesburg's text 'Towards elementary plastic expression', as cited in Material zur elementaren Gestaltung, G-1, July 1923; as quoted in 'Theo van Doesburg', Joost Baljeu, Studio Vista, London 1974, p. 141
1920 – 1926
Quote in van Doesburg's his article: 'Space – time and colour', in 'De Stijl', Aubette Issue, series xv, 87-9, 1928, pp. 26–27
1926 – 1931
Letter to Charles Sawyer of Addison Gallery of Art October 19 , 1939
1911 - 1940