"The most important artistic decision was that the men and cart were caught in mid-step, making this a fine example photographic naturalism. Such works were very influential on the emergence of Stieglitz’s style between 1894 and 1900." Weston Naef The collection of Alfred Stieglitz p. 11
The firm of Meisenbach, Riffart, founded by Heinrich Riffart (1860-1908) purchased rights to Klics photogravure process simultaneously with the Annans. Born the son of a publisher in Munchen Gladbach, Riffart had studied chemistry in Vienna and Salzburg.
Naef, Weston J. The Collection of Alfred Stieglitz: Fifty Pioneers of Modern Photography. New York: Viking Press, 1978. p. 11
J. M. Eder, A History of Photography, trans. E. Epstean, New York: Columbia University Press 1945, p. 599, p. 805
Steel, David. "Karel Klič and Thomas Annan in Vienna," History of Photography. 27.2 (2003): 166-171. Print.