War Cabinet - Papers Including Ministry of Munitions minutes and memoranda on The Nitrate of Soda Situation; The Exchange of Materials of War between the United States and Britain by Walter Layton and Philip Hanson; The Agreement between the British and US Governments for the Production of Tanks; The Proposed General Advance to Piece Workers of 12.5%; The need for a factory for the fixation of Atmospheric Nitrogen; The effects of a further cut in the Munitions Tonnage; Labour, Man-Power and Material, by WSC; The Munitions Programme, 1919 by WSC; German tanks; Shipyard Labour; Man-Power and Munitions and The Mobility of Munitions Labour.