A training-school of crime Boys playing pickpocket in an alley.

Illustration shows boys rummaging through a sleeping man's pockets.
Illus. in: Darkness and daylight: or, Lights and shadows of New York life. A woman's narrative of mission and rescue work in tough places, with personal experiences among the poor in regions of poverty and vice / by Mrs. Helen Campbell, Col. Thomas W. Knox, Inspector Thomas Byrnes. Hartford, Conn. : A.D. Worthington & Co., publishers, 1891, p. 484.