Labour History Research Index
Center for research into labour history; site features include annotated link directory, research tools, and guide to libraries and archive collections.

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.

Smithsonian Magazine: Hell's Bells
Includes several articles on labor conditions in the 19th century.

Child Labour 1750-1850
Extensive treatment of the topic, from the Encyclopaedia of British History.

Bread and Roses: The Lost Histories of a Slogan and a Poem
Long thought to have been inspired by the 1912 strike by textile workers in Lawrence, Massachusetts, James Oppenheim's poem was actually inspired by earlier labor struggles.