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Nadar Raising Photography to the Height of Art
https://thepoliticsofinformation.wordpress.com/2012/10/02/a-serious-comedian-honore-daumiers-critique-of-photography-and-modern-society/
https://www.khanacademy.org/humanities/becoming-modern/early-photography/a/early-photography-nipce-talbot-and-muybridge