U.S. Intelligence on Europe, 1945-1995
Title: U.S. Army, Memorandum, Neutrality of Sweden, Switzerland and Portugal, June 5, 1945, Top Secret Ultra, NARA.
Creator: U.S. Army
Date in Source: June 5, 1945
Subject: SIGINT - Diplomatic codes - Cryptanalysis
Format: 1 p.
Note: Top Secret