United States. Children's Bureau , Channing, Alice, 1888- , Matthews, Ellen N., 1884- and Skinner, Mary Elizabeth, 1886-1950. Child Labor in Fruit and Hop Growing Districts of the Northern Pacific Coast, Bureau Publication No. 151 , Washington, D.C: Government Printing Office, 1926, https://fraser.stlouisfed.org/title/8431, accessed on September 7, 2024.