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 ''liaison with Perl for the Rosenberg espionage network. In addition to this information, David and Ruth Greenglass had identified photographs of Michael and Anne Sidorovich as close friends of Rosenberg and his wife. They have advised that they visited Rosenberg's apartment in January, 1945, at which time Anne Sidorovich was present. After Anne left, Rosenberg cut a box top in half and gave one-half to the Greenglasses and said that the other half would be in the possession or Anne Sidorovich who would travel to New Mexico to secure atomic energy information from David. This contact, however, was never established.''

''Michael Sidorovich was interviewed on July 25, 1950, and on subsequent occasions. He admitted Young Communist Lea activity in New York City and admitted fighting a part of the Abraham Lincoln Brigade in Spain. He admitted knowing Rosenb and David Greenglass. He denied espionage activity on behalf Rosenberg or anyone else. We specifically denied knowing Wil Perl. As set forth hereinbefore, witnesses are available to establish the relationship between Perl and Sidorovich. also denied, before the Federal Grand Jury in New York City, his knowledge of. The perjury angle with respect has been presented to the Criminal Division and to United States Attorney in the Southern District of New York. matter is being closely followed.''



''Information from reflects that in 1 the Soviets were considering recruiting as part of the Rosenb network Alfred Sarant. It has been established that Sarant an associate of Julius Rosenberg and numerous other members  the Rosenberg espionage network. As set forth herinbefore. has also been determined that Sarant maintained an apartment 65 Morton Street, New York City, and that considerable work  the photographic field was done in this apartment. Sarant was interviewed on July 19, 1950, and admitted acquaintanceship Rosenberg, and admitted that on one occasion Rosenberg  him, but Sarant claimed he "didn't bite." Sarant admitted in the Communist Political Association in New York City  1944. Sarant, on July 26, 1950, left his residence in Ithaca New York, and went to visit relatives in New York City. In N York City he was joined by Carol Dayton, wife of Bruce W. Day his next door neighbor. It had been determined that on August''