The Lewis Cass papers contain the political and governmental letters and writings of Lewis Cass, American army officer in the War of 1812, governor and senator from Michigan, American diplomat to France, secretary of war in the Andrew Jackson administration, secretary of state under James Buchanan, and Democratic candidate for President. These papers span Cass' entire career and include letters, speeches, financial documents, memoranda, literary manuscripts, newspaper clippings, and a travel diary. In addition to documenting his political and governmental career, the collection contains material concerning relations between the United States and Native Americans, and Cass' role in presidential politics.
- Democratic Party (U.S.)
- Indians of North America -- Government relations.
- Mexican War, 1846-1848.
- Michigan -- History.
- United States. -- Army -- History -- Civil War, 1861-1865.
- United States. -- Congress. -- Senate.
- United States. -- Department of State.
- United States. -- Office of Indian Affairs.
- United States. -- War Department.
- United States -- History -- Revolution, 1775-1783.
- United States -- History -- War of 1812.
- United States -- Politics and government -- 1815-1861.
- United States. -- Army.
- Political science.
- United States.