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''You will recall that Donald D. MacLean is one of the two missing British diplomats who disappeared in May, 1951. The other individual was Guy Burgess. The two men disappeared just prior to the time that MacLean would have been identified as a Soviet agent on the basis of the information. There is some indication that Harold Adrian Philby, former MI6 representative in the U. S., may have tipped off the two men concerning the investigation. CIA has been considerably alarmed over this case because of the close relationship which existed between their office and Philby. We previously had a discussion with Harvey concerning this investigation. They are aware of the data which was given to General Smith pf CIA at the request of the British.''



''There is information from which reflects that Orloff, who was designated by the MGB under the cover name of Osipoff, was in 1944 contemplating securing a job with the State Department or OSS. In therefore is considered likely that CIA will inquire as to his identity. Actually, he did not get the job with OSS because of data we had furnished OSS showing his work in Germany at an earlier period for the Germans. Orloft is presently attached to the United Nations. He is a White Russian, married to a U. S. citizen and is openly pro-Soviet at the present time. We have not disseminated information to CIA previously on this case.''

'' Russian born, came to the U. S. from Iran in 1944. We knew from that he had an assignment when he came in the U. S.  lef the U. S. for Iran in August, 1949, but is expected to return to the U. S. We have previously disseminated to CIA information concerning this case except the basic allegations from .''



''There is available information from which reflects that Sarant was a member of the Rosenberg espionage network. Sarant fled from the United States in August, 1950. His''