Hasui Kawase – Los Angeles County Museum of Art M.73.37.19. Title: Takamatsu Castle, Sanuki. Date: 1921. Materials: woodblock print. Dimensions: 36.5 x 25.1 cm. Nr.: M.73.37.19. Source: https://collections.lacma.org/node/190255
Caspar van Wittel – private collection. Title: Tivoli. A View of the Waterfalls and the Villa of Maecenas. Date: c. 1718. Materials: oil on canvas. Dimensions: 74.3 x 98.9 cm. Auctioned by Sotheby’s in New York, on January 28, 2016. https://blouinartsalesindex.com/auctions/–6134649/-. I have changed the light and contrast of the original photo.