In the context of this artwork, explain the Literature of the Resources.
Vincent van Gogh: Drawings, ed. Johannes van der Wolk, Ronald Pickvance & E. B. F. Pey, Arnoldo Mondadori Arte & De Luca Edizione d'Arte 1990 (editions in various languages: ISBN 88-242-0024-9 (Dutch))
Vincent van Gogh: The Drawings, ed. Colta Ives, Susan Alyson Stein etc., The Metropolitan Museum of Art, New York & Yale University Press, New Haven and London, 2005  ISBN 1-58839-164-7
Dutch London Vincent van Gogh