Vincent Van Gogh: Fountain in the garden of the hospital of Saint-Paul, Saint-Rémy, May 1889. Black chalk, reed pen and ink.
Click these images twice for full resolution.
Vincent Van Gogh: The Parsonage Garden at Nuenen in Winter, 1884. pen and brown ink, lead white on paper, 20x15"
Vincent Van Gogh, Pollard Birches, March 1884, pencil, pen and ink, watercolor on paper, 15.4 × 21.3 in
Still Life with Five Objects by Giorgio Morandi, 1956 etching
See the following links about Morandi:Biography of Giorgio Morandi with paintings from Tate Museum.
All That Life contains, Contained by Holland Cotter, 2008, New York Times. Includes a slideshow of Morandi's work.