Wikipedia: Theo Van Doesburg - Article showing a complete biography regarding the Dutch Neo-Plasticism artist. Poetry: De Stijl - A collection of visual poetry by I.K. Bonset (pseudonym of Theo van Doesburg). German Theo van Doesburg: Forgotten artist of the avant garde - Article focus on the Dutch artist's career. Artcyclopedia: Theo Van Doesburg - A collections of links to online exhibitions which include his works and all other material on the artist. Theo van Doesburg - Biography towards the Dutch artist born in Utrecht. Netherlands Institute for Cultural Heritage - Van Doesburg's brief biography. Guggenheim Collection - Theo van Doesburg - Artist's biography. MoMA Collection: Theo Van Doesburg - Provides a comprehensive biography including a slideshow showing images of his work.