Hotline message, LBJ to Kosygin, 6/10/67, 9.39 AM
Citation
Hotline message, LBJ to Kosygin, 6/10/67, 9.39 AM, LBJ Presidential Library, accessed August 29, 2025, https://discoverlbj.org/item/nsf-nsch-b19-e196706-i53