United States. Children's Bureau , Matthews, Ellen N., 1884- , Channing, Alice, 1888- and Selig, Mathilde. Children in Fruit and Vegetable Canneries : A Survey in Seven States, Bureau Publication No. 198 , Washington, D.C: Government Printing Office, 1930, https://fraser.stlouisfed.org/title/8475, accessed on October 3, 2024.