Articles

ERA 3: Revolution and the New Nation (1754–1820s)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 7: The Emergence of Modern America (1890–1930)
ERA 10: Contemporary United States (1968 to the present)
ERA 10: Contemporary United States (1968 to the present)
ERA 8: The Great Depression and World War II (1929–1945)

Historical Documents

The rough draft of The Declaration of Independence written in June, 1776.
ERA 3: Revolution and the New Nation (1754–1820s)
Homestead Act
ERA 5: Civil War and Reconstruction (1850-1877)
Roosevelt shortly after giving one of his famous fireside chats.
ERA 8: The Great Depression and World War II (1929–1945)
Shabana Maani, gives a polio vaccination to a child in the old part of Kabul, Afghanistan, Monday March 29, 2021 (AP Photo/Rahmat Gul)
ERA 9: Postwar United States (1945 to early 1970's), ERA 10: Contemporary United States (1968 to the present)

Collections

The Custer Fight, by Charles Marion Russell
ERA 6: The Development of the Industrial United States (1870-1900)