context: The year 1939 saw the publication of his best work, Matthĳs Maris: de tragiek van den droom ('The Tragedy of the Dream'), a biography of the painter Matthijs Maris, who was a brother of the Dutch artists Jacob and Willem Maris.
source: Two years later, Figuren en problemen der monumentale schilderkunst in Nederland ('Figures and Problems of Monumental Painting in the Netherlands') was published, again with designs by the author.
reference_original: Dois anos depois, Figuren en problemen der monumentale schilderkunst in Nederland (“Figuras e problemas da pintura monumental na Holanda”) foi publicado, novamente com designs feitos pelo autor.
reference_flipped: Dois anos depois, Figuren en problemen der monumentale schilderkunst in Nederland (“Figuras e problemas da pintura monumental na Holanda”) foi publicado, novamente com designs feitos pela autora.