35 Theo van Doesburg, What is Dada, 1923. USpc Museum of Modern Art By magnolia | Published April 28, 2018 | Full size is 1667 × 2208 pixels 31i Fritz Lang-Lien Deyers, Spione (Spies), 1928. gBFK 36b Piet Zwat, Filkunst Magazine, 1931. nmag