Memorandum # 304, U.S. Relations with Eastern Europe, 6/3/1964,
"NSAM 304 U.S. Relations with Eastern Europe [3 of 3]," National Security Action Memorandums, NSF, Box 4,
LBJ Presidential Library,
accessed May 01, 2025,
https://www.discoverlbj.org/item/nsf-nsam304