Barr, Joseph W. (Joseph Walker), 1918-1996 , Okun, Arthur M. and Zwick, Charles J. (Charles John), 1926-. Memorandum for the President, Confidential File, BE 5 (August 1966), Box 3, Papers of Lyndon B. Johnson : Presidential Papers. https://fraser.stlouisfed.org/scribd/?item_id=3343&filepath=/files/docs/historical/johnson/barmem680805.pdf&start_page=1, accessed on October 17, 2017.
Subject: Troika Review of the Economic and Budgetary Outlook