| Charles Nègre Chartres Cathedral: South Portal 1856 (plate) Héliogravure (modern) from original steel plate 20 7/8 x 28 7/16 ins (53 x 72.2 cm (image) 24 3/4 x 35 3/8 ins (62.9 x 89.9 cm) (sheet) Philadelphia Museum of Art Purchased with funds contributed by the American Museum of Photography, 1971, 1971-115-38 LL/72043
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