Historical Documents

Adams Letter
ERA 4: Expansion and Reform (1801-1861)
This political cartoon illustrates James Buchanan beset by figures who employ quotes from the Ostend Manifesto to legitimize their criminal acts.
ERA 4: Expansion and Reform (1801-1861), ERA 5: Civil War and Reconstruction (1850-1877)
ERA 3: Revolution and the New Nation (1754–1820s), ERA 4: Expansion and Reform (1801-1861), ERA 5: Civil War and Reconstruction (1850-1877)
ERA 4: Expansion and Reform (1801-1861)
Map illustrating the outcomes of the Adams-Onis Treaty
ERA 3: Revolution and the New Nation (1754–1820s), ERA 4: Expansion and Reform (1801-1861)
Thoreau
ERA 4: Expansion and Reform (1801-1861)
ERA 4: Expansion and Reform (1801-1861)
John Demos
ERA 4: Expansion and Reform (1801-1861)
ERA 4: Expansion and Reform (1801-1861)
Map showing American territorial gains
ERA 4: Expansion and Reform (1801-1861)
"Keep Off!" cartoon
ERA 3: Revolution and the New Nation (1754–1820s), ERA 4: Expansion and Reform (1801-1861)
ERA 4: Expansion and Reform (1801-1861)
A Gold Hunter's Experience
ERA 4: Expansion and Reform (1801-1861), ERA 5: Civil War and Reconstruction (1850-1877), ERA 6: The Development of the Industrial United States (1870-1900)
ERA 4: Expansion and Reform (1801-1861)

Articles

ERA 4: Expansion and Reform (1801-1861)
ERA 4: Expansion and Reform (1801-1861)
ERA 4: Expansion and Reform (1801-1861)
ERA 4: Expansion and Reform (1801-1861)
ERA 4: Expansion and Reform (1801-1861)
ERA 4: Expansion and Reform (1801-1861)

Collections

John Brown, the Abolitionist
ERA 4: Expansion and Reform (1801-1861)
Washington Crossing the Delaware by Emanuel Leutze
ERA 4: Expansion and Reform (1801-1861), ERA 7: The Emergence of Modern America (1890–1930)
The American Cowboy
ERA 3: Revolution and the New Nation (1754–1820s), ERA 4: Expansion and Reform (1801-1861), ERA 5: Civil War and Reconstruction (1850-1877), ERA 6: The Development of the Industrial United States (1870-1900), Multiple Eras

Historical Images

James Buchanan surrounded by criminal quoting the Ostend Manifesto
ERA 4: Expansion and Reform (1801-1861), ERA 5: Civil War and Reconstruction (1850-1877)
Call for Black Homesteaders to Leave for Kansas
ERA 3: Revolution and the New Nation (1754–1820s), ERA 4: Expansion and Reform (1801-1861), ERA 5: Civil War and Reconstruction (1850-1877), ERA 6: The Development of the Industrial United States (1870-1900)
John Brown Cartoon
ERA 4: Expansion and Reform (1801-1861)