PBS
Nova Online: Secrets, Lies, and Atomic Spies: Alger Hiss
Read about the case against Alger Hiss, who was accused of spying for the Soviet Union. Investigation was done by the House Un-American Activities Committee.
Other
Spartacus Educational: British History: Elizabeth Bentley
An interview of a woman who worked as a child in a factory in England and suffered a sentence of debilitating health as a result.
University of Missouri
Famous Trials: Rosenberg Trial: Biographies of Trial Participants
Provides biographies for the participants in the Rosenberg trial, including the defendants, the defense attorney, assorted spies, prosecuting attorneys, prosecution witnesses, the judge, the sons, and chroniclers.
Mount Holyoke College
Mount Holyoke College: Mc Carthyism: Was the Threat Real?
A brief description of the hunt for spies within the United States prior to McCarthyism.