These are letters that Hine wrote, while on his investigations, describing conditions in factories and child labor violations that he saw. They often refer to photographs he sent with the letters.
"When he found that the mill was acting according to the law, and not employing people under a certain age, and you know, treating them well, had good lighting and work breaks for everyone, he wrote up just wonderful reviews...What he did was he wrote down what he saw and he wrote down people’s information as given to him and he quoted people." -Dr. Kate Sampsell-Willmann Phd.