"IV - Anglo-French Negotiations concerning oil resources, from the withdrawal of the Long-Berenger Agreement to the opening of the First Conference of London". Documents on British Foreign Policy 1919-1939. p. 1089.
"IV - Anglo-French Negotiations concerning oil resources, from the withdrawal of the Long-Berenger Agreement to the opening of the First Conference of London". Documents on British Foreign Policy 1919-1939. p. 1114.