| Louis Jules Duboscq Bicoloration in this lithograph to depict the marble of one of Guillame Coustou’s sculptures known as the “Marly Horses.” n.d. Lithograph Private collection of Paula Fleming LL/83505 Paula Richarson Fleming, July/August 2009 , "The Iridescent World of Bi-Colored Stereos", Stereo World, vol. 35, no. 1
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