This primary source comes from the Records of the U.S. Senate.
National Archives Identifier:
5682559Full Citation: Petition from the Iowa Federation of Women's Clubs in Favor of Child Labor Reform; 12/21/1907; (Sen 60A-J32); Petitions and Memorials, 1870 - 1946; Records of the U.S. Senate, Record Group 46; National Archives Building, Washington, DC. [Online Version, https://docsteach.org/documents/document/petition-iowa-child-labor, May 2, 2024]