Robert Johnson (author), 1889, Book cover for Robert Johnson "A Complete Treatise on the Art of Retouching Photographic Negatives and Clear Directions how to Finish & Colour Photographs" (London: Marion and Co., 1889), Book cover, Private collection of Rob Oechsle, LL/39721
Robert Johnson (author) 1889 Book cover for Robert Johnson "A Complete Treatise on the Art of Retouching Photographic Negatives and Clear Directions how to Finish & Colour Photographs" (London: Marion and Co., 1889)
