| Charles Marville Rue Descartes vers l'École Polytechnique 1865 (ca) Albumen silver print 11 3/8 x 10 9/16 ins (28.9 x 26.8 cm) (image and sheet) Philadelphia Museum of Art Purchased with the Lola Downin Peck Fund, 2009, Accession Number: 2009-85-2 LL/71189
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