National Archives and Records Administration



The Emergence of Modern America (1890-1930)

Meat-packing House Inspections

Letter from Upton Sinclair to President Theodore Roosevelt, March 10, 1906, selected page.

In this letter to President Roosevelt, Sinclair supported the presence of federal inspectors in the meat-packing houses, but he advised that inspectors should come disguised as workingmen to discover the true conditions, as Sinclair did when he researched his book.

Letter from Upton Sinclair to President Theodore Roosevelt, March 10, 1906

National Archives, Records of the Office of the Secretary of Agriculture

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Last updated: September 30, 1998
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