Folder, "NSAM # 315: Communications Security Survey [includes information on physical and telecommunications security at the White House and the LBJ Ranch], 10/29/1964 [1 of 2]," National Security Action Memorandums, NSF, Box 5
Citation
Folder, "NSAM # 315: Communications Security Survey [includes information on physical and telecommunications security at the White House and the LBJ Ranch], 10/29/1964 [1 of 2]," National Security Action Memorandums, NSF, Box 5, LBJ Presidential Library, accessed August 29, 2025, https://discoverlbj.org/item/nsf-nsam-b5-f11