In the early 19th century, a new social collective emerged out of impoverished artisans, urban rabble, wandering rural lower classes, bankrupt aristocrats and precarious intellectuals, one that would soon be called the proletariat. But this did not yet exist as a unified, homogeneous class with affiliated political parties. The motley appearance, the dreams and longings of these figures, torn from all economic certainties, found new forms of narration in romantic novellas, reportages, social-statistical studies, and monthly bulletins. But soon enough, these disorderly, violent, nostalgic,...