«Klaus Fuchs». TruTV. Archivado desde el original el 13 de mayo de 2008. Consultado el 7 de julio de 2008. «His name was Klaus Emil Fuchs, and he was, as it has been shown by history, the most important atom spy in history. Not any of the notorious names in the saga of the theft of the atom bomb secrets Allan Nunn May, Julius and Ethel Rosenberg, and David Greenglass had been as important to the Russian effort as Klaus Fuchs.»
«Execution of the Rosenbergs». London: The Guardian. 20 de junio de 1953. Consultado el 24 de junio de 2008. «Julius and Ethel Rosenberg were executed early this morning at Sing Sing Prison for conspiring to pass atomic secrets to Russia in World War II.»
«Execution of the Rosenbergs». The Guardian (London). 20 de junio de 1953. Consultado el 24 de junio de 2008. «Julius and Ethel Rosenberg were executed early this morning at Sing Sing Prison for conspiring to pass atomic secrets to Russia in World War II.»
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«Morris Cohen, 84, Soviet Spy Who Passed Atom Plans in 40's». New York Times. 5 de julio de 1995. Consultado el 7 de julio de 2008. «Morris Cohen, an American who spied for the Soviet Union and was instrumental in relaying atomic bomb secrets to the Kremlin in the 1940's, has died, Russian newspapers reported today. Mr. Cohen, best known in the West as Peter Kroger, died of heart failure in a Moscow hospital on June 23 at age 84, according to news reports.»
Pace, Eric (29 de enero de 1988). «Klaus Fuchs, Physicist Who Gave Atom Secrets to Soviet, Dies at 76». New York Times. Consultado el 7 de julio de 2008. «Klaus Fuchs, the German-born physicist who was imprisoned in the 1950's in Britain after being convicted of passing nuclear secrets to the Soviet Union, died yesterday, the East German press agency A.D.N. reported. He was 76 years old.»
Cowell, Alan (10 de noviembre de 1999). «Theodore Hall, Prodigy and Atomic Spy, Dies at 74». New York Times. Consultado el 26 de junio de 2008. «Theodore Alvin Hall, who was the youngest physicist to work on the atomic bomb project at Los Alamos during World War II and was later identified as a Soviet spy, died on Nov. 1 in Cambridge, England, where he had become a leading, if diffident, pioneer in biological research. He was 74. ... Mr. Albright and Ms. Kunstel say Mr. Hall and a former Harvard roommate, Saville Sax, approached a Soviet trade company in New York in late 1944 and began supplying critical information about the atomic project.»
«Alan Nunn May, 91, Pioneer In Atomic Spying for Soviets». New York Times. 25 de enero de 2003. Consultado el 7 de julio de 2008. «Alan Nunn May, a British atomic scientist who spied for the Soviet Union, died on Jan. 12 in Cambridge. He was 91. ... One of the first Soviet spies uncovered during the cold war, Dr. Nunn May worked on the Manhattan Project and was betrayed by a Soviet defector in Canada. His unmasking in 1946 led the United States to restrict the sharing of atomic secrets with Britain.»
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«1972 Death of Harry Gold Revealed». New York Times. 14 de febrero de 1974. Consultado el 7 de julio de 2008. «Harry Gold, who served 15 years in Federal prison as a confessed atomic spy courier, for Klaus Fuchs, a Soviet agent, and who was a key Government witness in the Julius and Ethel Rosenberg espionage case in 1951, died 18 months ago in Philadelphia.»
«Greenglass, in Prison, Vows to Kin He Told Truth About Rosenbergs». New York Times. 19 de marzo de 1953. Consultado el 7 de julio de 2008. «David Greenglass, serving fifteen years as a confessed atom spy, denied to members of his family recently that he had been coached by the Federal Bureau of Investigation in the drawing of segments of the atom bomb, or that he had given perjured testimony against his sister, Mrs. Ethel Rosenberg, and her husband, Julius.»
«Morton Sobell Free As Spy Term Ends». New York Times. 15 de enero de 1969. Consultado el 7 de julio de 2008. «Morton Sobell, sentenced to 30 years for a wartime espionage conspiracy to deliver vital national secrets to the Soviet Union, was released from prison yesterday after serving 17 years and 9 months.»
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Roberts, Sam (11 de septiembre de 2008). «For First Time, Figure in Rosenberg Case Admits Spying for Soviets». New York Times. Consultado el 11 de septiembre de 2008. «In an interview on Thursday, Mr. Sobell, who served nearly 19 years in Alcatraz and other federal prisons, admitted for the first time that he had been a Soviet spy.»
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«Klaus Fuchs». TruTV. Archivado desde el original el 13 de mayo de 2008. Consultado el 7 de julio de 2008. «His name was Klaus Emil Fuchs, and he was, as it has been shown by history, the most important atom spy in history. Not any of the notorious names in the saga of the theft of the atom bomb secrets Allan Nunn May, Julius and Ethel Rosenberg, and David Greenglass had been as important to the Russian effort as Klaus Fuchs.»
