Constitutional Rights Foundation
Constitutional Rights Foundation: Upton Sinclair's the Jungle: Muckraking the Meat Packing Industry
The Jungle dives into the terrible working conditions in the meat-packing industry which led to investigations and new food safety laws.
Other
Management Control: The Cases of Daniel Mc Callum and Gustavus Swift
Scroll down to the paragraphs about Gustavus Swift for a description of his company's innovative organization that introduced vertical integration to the cattle business.