Caspar van Wittel – Palazzo Pitti 9289. Title: View of Verona. Date: c. 1720. Materials: oil on canvas. Dimensions: 48 x 105 cm. Nr.: 9289. Source https://www.flickr.com/photos/mazanto/16644157767/. I have changed the light, contrast and colors of the original photo.
Jacob van Ruisdael – Indianapolis Museum of Art 44.54. Title: Landscape with Cascade. Date: c. 1670-1675. Materials: oil on canvas. Dimensions: 76.2 x 94 cm. Nr.: 44.54. Source: http://collection.imamuseum.org/artwork/81592/. I have changed the light and contrast of the original photo.