William J. Mitchell in John Mitchell & Son. Gallery Notes. London, July 2004, p. 7, ill. (color).
Esther Bell. "Catalogue Raisonné of the Thaw Collection." Studying Nature: Oil Sketches from the Thaw Collection. Ed. Jennifer Tonkovich. New York, 2011, p. 142, no. 123, ill. (color), calls it "The Roman Theater, Taormina".