Image attribution: Degas,Edgar Hilaire. (1872). The Dance Foyer at theOpera on rue le Peletier.. Retrieved from https://library.artstor.org/asset/SS36847_36847_34507296
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Dombrowski, André. “History, Memory, and Instantaneity in Edgar Degas’s ‘Place de La Concorde.’” The Art Bulletin 93, no. 2 (2011): 195–219. https://www.jstor.org/stable/23046593.