Caspar van Wittel – private collection. Title: Rome. A View of the Church of Santi Marcellino e Pietro, from the Vigna Ciccolini, with the Palazzo Laterano, the Church of San Giovanni in Laterano, the Ospedale di San Giovanni and Ruins of the Claudian Aqueduct Beyond. Date: c. 1707-1710. Materials: oil on canvas. Dimensions: 75 x 132.8 cm. Auctioned by Sotheby’s, in New York, on January 28, 2016.. Source: http://www.sothebys.com/content/dam/stb/lots/N09/N09460/285N09460_5VW7B.jpg. I have changed the contrast of the original photo.
Francesco Guardi – The National Gallery (London) NG2099. Title: The Doge’s Palace and the Molo. Date: c.1770. Materials: oil on canvas. Dimensions: 58.1 x 76.4 cm. Acquisition date: 1906. Nr.: NG2099. Source: https://www.flickr.com/photos/130229135@N05/15907718260/sizes/o/. I have changed the light of the original photo.