The Tamiment Library and Robert F. Wagner Labor Archives
Special collections library at Princeton
The Einstein File: J. Edgar Hoover’s Secret War Against the World’s Most Famous Scientist:
National Society of Black Physicists
W. E. B. Du Bois papers:
Paul Robeson Cultural Center at Rutgers University:
Robeson Family Archives, Moorland Spingarn Research Center, Howard University, Washington D.C.:
[San Francisco] Bay Area Paul Robeson Centennial Committee:
Einstein Papers Project at Cal Tech in Pasadena, CA:
Einstein Archives Online (The Einstein Papers Project):
Center for Einstein Studies at Boston University:
Lincoln University in Pennsylvania: