Cornell University Library: The Ladies Garment Worker (periodical issues, 1910-1919, became Justice see below)
Cornell University Library: Justice (periodical issues from 1919--1995, orginally The Ladies Garment Worker)
Library of Congress: American Federation of Labor Records
Library of Congress: Child Labor & Lewis Hine Photography Collection, 1908--1924
Library of Congress: Rise of Industrial America, 1876--1900L
Library of Congress: Work in the Late 19th Century
University of Washington, University Libraries: Industrial Workers of the World Photograph Collection
Digital Public Library of America: The Homestead Strike
Digital Public Library of America: When Miners Strike: West Virginia Coal Mining and Labor History
Digital Library of America: Electrifying America
Digital Library of America: The Invention of the Telephone