Annenberg Foundation
Annenberg Learner: Biography of Amer: Philip Armour and Packing House Conditions
Philip Armour, an industry titan in the meat industry, made his money by exploiting the need of his workers for jobs. Read about the deplorable conditions the workers endured in the packinghouses and in the shanty towns in which they...
US National Archives
Nara: American Originals: Meat Packing House Inspections
Check out this National Archives and Records Administration site for a short explanation of the term "muckraker," and for a quote by Sinclair, whose writings influenced the passage of the Meat Inspection Act in 1907.