revision preference src: Because most of these cases became well known in the context of the anti-Communist 1950s, there has been long-standing dispute over the exact details of these cases, though some of this was settled with the making public of the Venona project transcripts, which were intercepted and decrypted messages between Soviet agents and the Soviet government. <SEP> tgt: There has been much disagreement over the exact details of these cases, though some of this was settled when VENONA Project transcripts were made public.