^Le Corre, Florence. Gustave Le Gray, a poet with a passion for excellence.نسخة محفوظة 2008-12-25 على موقع واي باك مشين. "Translated from the catalogue Une visite au camp de Châlons sous le Second Empire: photographies de Messieurs Le Gray, Prévot., Paris: musée de l'Armée, 1996, pp. 130-131." Retrieved September 15, 2008.
^Peres, Michael R. The Focal encyclopedia of photography digital imaging, theory and applications, history, and science, 4th edition. Amsterdam and Boston: Elsevier/Focal Press, 2007. (ردمك 978-0-240-80740-9)