Articles

ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)

Collections

Jonas Salk, Inventor of Polio Vaccine
ERA 9: Postwar United States (1945 to early 1970's)

Historical Documents

ERA 9: Postwar United States (1945 to early 1970's)
Picture of Mexican American students protesting
ERA 10: Contemporary United States (1968 to the present), ERA 9: Postwar United States (1945 to early 1970's)
Cesar Chaves with Robert Kennedy at the end of his fast
ERA 9: Postwar United States (1945 to early 1970's), ERA 10: Contemporary United States (1968 to the present)
National Chicano Moratorium sign
ERA 9: Postwar United States (1945 to early 1970's), ERA 10: Contemporary United States (1968 to the present)
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)
ERA 9: Postwar United States (1945 to early 1970's)
“Friends” Poem
ERA 6: The Development of the Industrial United States (1870-1900), ERA 7: The Emergence of Modern America (1890–1930), ERA 8: The Great Depression and World War II (1929–1945), ERA 9: Postwar United States (1945 to early 1970's), ERA 10: Contemporary United States (1968 to the present), Multiple Eras
Mexican girls in San Antonio, Texas
ERA 9: Postwar United States (1945 to early 1970's), ERA 10: Contemporary United States (1968 to the present)
Original document of the enrolled acts and resolutions of Congress pertaining to the Civil Rights Act
ERA 9: Postwar United States (1945 to early 1970's)
Newspaper image
ERA 7: The Emergence of Modern America (1890–1930), ERA 8: The Great Depression and World War II (1929–1945), ERA 9: Postwar United States (1945 to early 1970's), ERA 10: Contemporary United States (1968 to the present), Multiple Eras
ERA 9: Postwar United States (1945 to early 1970's)
Decision delivered by Chief Justice Earl Warren
ERA 9: Postwar United States (1945 to early 1970's)
ERA 9: Postwar United States (1945 to early 1970's)

Historical Images

Reported polio cases and deaths, United States, 1910 to 2022
ERA 9: Postwar United States (1945 to early 1970's), ERA 10: Contemporary United States (1968 to the present)
Truman Wipes out Segregation in Armed Forces
ERA 9: Postwar United States (1945 to early 1970's)