View of the Colosseum, Rome; Meta Sudans with Temple of Venus, Rome; Arch of Constantine, Rome. 1850s. 3 large-format albumen prints, mounted to card. 20 x 43 cm and 28 x 36 cm (mounts 45 x 59,5 cm). Each titled in ink below the image and 2 with partial "Spithöver" blindstamp in lower right corner on the mount.

Dorothea Ritter. Rom 1846-1870: James Anderson und die Maler-Fotografen, Sammlung Siegert. Bönningheim: Braus/Wachter Verlag, 2005.