Child Labour 1750-1850
Extensive treatment of the topic, from the Encyclopaedia of British History.
http://www.spartacus.schoolnet.co.uk/IRchild.main.htm
History Of Work Information System
Presents the world of work of the past as known by occupational activities.
http://historyofwork.iisg.nl
Irish Labour History
Includes scanned material and links.
http://www.irishlabour.com
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.
http://www.laborarts.org/
Smithsonian Magazine: Hell's Bells
Includes several articles on labor conditions in the 19th century.
http://www.smithsonianmag.com/issues/2002/may/object.php