Andreas Achenbach – Museum Kunstpalast Düsseldorf. Erftmühle (1834)
Materials: oil on canvas. Dimensions: 165 x 230 cm. Nr.: ?. Source: https://www.flickr.com/photos/mazanto/10780948313/sizes/h/. I have changed the light, contrast and colors of the original photo.
Jan van Goyen – Museum Kunstpalast Düsseldorf M 251. Panorama Landscape with a View of Arnhem (1646)
Materials: oil on canvas. Dimensions: 98.5 x 135 cm. Nr.: M 251. Source: http://www.smkp.de/uploads/pics/Teaser_1._Alternative._Jan_J._van_Goyen_.jpg. I have changed the light, contrast and colors of the original photo.
Bernardo Bellotto – Museum Kunstpalast (not on the site of the museum). Il Tevere con il porto di Ripetta a Roma (1743)
Materials: oil on canvas. Dimensions: 86.5 x 146 cm. Acquisition date: 1963. Source: http://2.bp.blogspot.com/-tBYjSx4K7JQ/TtDku9IsMqI/AAAAAAAAAxg/PjhBWWbS1PU/s1600/bellotto-via+di+ripetta.jpg. P.S. I have changed the colors, light and contrast of the original photo.
elsewhere 
