His written accounts of the shame of the cities belonged to a long tradition, dating back at least to Dickens’s horrified visit to New York in 1840. A number of exhaustive surveys of tenement depravity had been published over the years, with titles like “The Report of the Council of Hygiene and Public Health.” An entire genre of “sunshine and shadow” guidebooks to Five Points and its ilk flourished after the Civil War, offering curious visitors tips on exploring the seedy underbelly of big-city life, or at least exploring it vicariously from the safety of a small-town oasis. (The phrase
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