United States. Children's Bureau
, Dart, Helen M. (Helen Maretta), 1889-
, Merritt, Ella A. (Ella Arvilla)
and Allett, E. J.
Minors in Automobile and Metal-Manufacturing Industries in Michigan, Bureau Publication No 126 ,
Washington, D.C:
Government Printing Office,
1923, https://fraser.stlouisfed.org/title/8408,
accessed on April 23, 2025.
@FedFRASER