Dr. Carl Finch (1920). "Louis Arthur Ducos du Hauron, In Memoriam". Photo-Era, The American Journal of Photography. Vol. 45. New England Photo Era Publishing Company. pp. 281–282.
eastmanhouse.org
image.eastmanhouse.org
Solbert, Oscar N.; Beaumont, Newhall; Card, James G., eds. (April 1952). "Forgotten Pioneers IV: Louis Ducos Du Hauron (1837–1920)"(PDF). Image, Journal of Photography of George Eastman House. 1 (6). Rochester, N.Y.: International Museum of Photography at George Eastman House Inc.: 2. Archived from the original(PDF) on 4 March 2016. Retrieved 21 June 2014.
Newhall, Beaumont (May 1954). "An 1877 Color Photograph"(PDF). Image, Journal of Photography of George Eastman House. III (5). Rochester, N.Y.: International Museum of Photography at George Eastman House Inc.: 33–34. Archived from the original(PDF) on 20 July 2014. Retrieved 15 July 2014. Prior to Vogel's discovery, Ducos du Hauron photographed the green and orange-red-filtered components by making use of a color sensitization phenomenon discovered by Edmond Becquerel in 1840, but very long exposures in the camera were required.
Solbert, Oscar N.; Beaumont, Newhall; Card, James G., eds. (April 1952). "Forgotten Pioneers IV: Louis Ducos Du Hauron (1837–1920)"(PDF). Image, Journal of Photography of George Eastman House. 1 (6). Rochester, N.Y.: International Museum of Photography at George Eastman House Inc.: 2. Archived from the original(PDF) on 4 March 2016. Retrieved 21 June 2014.
Newhall, Beaumont (May 1954). "An 1877 Color Photograph"(PDF). Image, Journal of Photography of George Eastman House. III (5). Rochester, N.Y.: International Museum of Photography at George Eastman House Inc.: 33–34. Archived from the original(PDF) on 20 July 2014. Retrieved 15 July 2014. Prior to Vogel's discovery, Ducos du Hauron photographed the green and orange-red-filtered components by making use of a color sensitization phenomenon discovered by Edmond Becquerel in 1840, but very long exposures in the camera were required.
