International Association of Labour History Institutions - Provides news, serials tables of contents, and other services from all major collecting institutions in the field. Labor Arts - Virtual museum exhibiting and cataloging the art of the labor movement and working people. Collections include parades, cartoon art on labor themes, and buttons and badges. History Of Work Information System - Presents the world of work of the past as known by occupational activities. Labor and Working-Class History Association - An academic hub dedicated to the promotion of the study of labor and working-class history. Child Labour 1750-1850 - Extensive treatment of the topic, from the Encyclopaedia of British History. Smithsonian Magazine: Hell's Bells - An article on the widespread introduction of clocks and how this affected factory workers during the start of the 19th century. Illinois Labor History Society - Dedicated to the preservation of labor history materials of the Illinois Region. WorkLab - Website of The International Association of Labour Museums. Social History Portal - News, links and resources. Wisconsin Labor History Society - Website dedicated to the preservation of the history of Wisconsin's workers and labor unions.