Working Class Movement Library
- A collection of materials concerned with the activities, expression and enquiries of the labor movement, its allies and its enemies, since the late eighteenth century. [Salford, UK]
- http://www.wcml.org.uk/

Graveyards of Chicago: John Peter Altgeld
- Grave marker photograph and short biography of the Illinois governor who pardoned participants of the Haymarket Riots and refused to send in troops against the striking railway workers.
- http://www.graveyards.com/IL/Cook/graceland/altgeld.html

Address to the National Labor Union of the United States
- From the minutes of the General Council meeting, May 11, 1869, as taken by George Eccarius.
- http://www.marxists.org/history/international/iwma/documents/1869/us-labor.htm

Child Labor
- Article about child labor in the 19th century by David Cody, Associate Professor of English, Hartwick College.
- http://www.victorianweb.org/history/hist8.html

The International Workingmen's Association
- Documents from the First International.
- http://www.marxists.org/archive/marx/works/1864/iwma/index.htm

The Campaign to End Child Labor
- Documentary history of the campaign to end child labor in the U.S. in the early 1900s, with contemporary photographs, political cartoons, poems, essays and books.
- http://www.boondocksnet.com/labor/index.html