Willem de Heusch – Museum of Fine Arts (Boston) 17.1420. Title: Italian Landscape with Peasants and Donkeys. Date: c. 1660s-1680s. Materials: oil on canvas. Dimensions: 96.3 x 111.1 cm. Inscriptions: W D H (joined); and falsely, JBoth f (lower right). Nr.: 17.1420. Source: http://mfas3.s3.amazonaws.com/objects/SC228779.jpg. I have changed the light and contrast of the original photo.
Jacob van Ruisdael – Museum of Fine Arts (Boston) 52.1757. Title: Woodland Vistas. Date: c. 1650-1680. Materials: oil on canvas. Dimensions: 67 x 53.7 cm. Nr.: 52.1757. Source: http://www.mfa.org/collections/object/woodland-vistas-33494. I have changed the light, contrast and colors of the original photo.