• Business Machines 1857-1912 - Harper's Weekly
• The Dramas of Haymarket
• The Haymarket Affair Digital Collection
• Inventing Entertainment: The Early Motion Pictures and Sound Recordings of the Edison Companies
• Origins of American Animation
• Presidential Elections 1868-1912- Harper's Weekly
• The Thomas A. Edison Papers
• Triangle Shirtwaist Fire
• Places where women made history - The Triangle Shirtwaist Factory
• Rights on Trial: The Triangle Shirtwaist Fire
• The Richest Man in the World: Andrew Carnegie
• The Rockefellers
• Vanderbilt Mansion
• The World's Account of the Triangle Fire

This page last updated July 27, 2010