Jean Béraud: Boulevard St. Denis
William Walton, author of Paris from the Earliest Period to the Present Day (published in 1899) writes:
Paris may be said to be a very well-policed city. The police regulations are intelligent, and cover all those points in which the safety, or comfort, or peace of mind of the majority of well-meaning citizens may be menaced or disturbed by the inconsiderate action of individuals, and yet these strict ordonnances, which might become harsh or tyrannical, are generally administered with discretion and, in the case, for example, of the peripatetic vendors of vegetables, the marchands and marchandes des quatre-saisons—with due consideration for the difficulties of the poor.
Great care is taken to assure the free circulation in the streets, with one very important exception: the householder must not deposit any garbage, or mud, or broken bottles on the sidewalk, he must wash his shop-windows…