Coe, Brian, and Mark Haworth-Booth. A Guide to Early Photographic Processes. London: Victoria and Albert Museum, 1983. pl 36
Frizot, Michael. New History of Photography. Place of publication not identified: Pajerski, 1999. Print p. 313
Hartmann, Sadakichi. Landscape and Figure Composition. New York: The Baker and Taylor Company, 1910. fig. 5
Coe, Brian, and Mark Haworth-Booth. A Guide to Early Photographic Processes. London: Victoria and Albert Museum, 1983. P 102