Lewis Hine sometimes went undercover to capture images of kids at work.

The Photos That Helped End Child Labor in the United States, par Mark Murrmann de Mother Jones

 

Group of Breaker boys. Smallest is Sam Belloma, Pine Street. (See label #1949). Location: Pittston, Pennsylvania.
Group of Breaker boys. Smallest is Sam Belloma, Pine Street. (See label #1949). Location: Pittston, Pennsylvania.