Correspondence, particularly on the formation of the UEM, with correspondents including: Sir [Arthur] Shuldham Redfern, former Secretary to Governor-General of Canada, on finding Canadian contacts for the UEM (3); Duncan Duncan-Sandys, Joint Secretary of the UEM, on subjects including organising the UEM and gaining Labour and Liberal support (8); John Foster; Franz Nowack, Neues Europa journal (3); Peter Fraser, Prime Minister of New Zealand, on his concerns about a United Europe, and the New Zealand view of regional groupings; Violet Markham [Violet Carruthers] agreeing to join the UEM committee, and on her concerns about large organisations, particularly that the United Nations will be the same as the League of Nations (2); Geoffrey Fisher, Archbishop of Canterbury (2); Vivian Carter, suggesting that the Soviet Union should be included in a European Union; Sir Herbert Williams on the effect which a European Union would have on the Empire and the protectionist system; Percy Spender on Australian concerns about Britain's future role; Count Richard Coudenhove-Kalergi [President of the Paneuropean Union], urging co-operation between the UEM and Paneuropean Union (2); Dame Edith Lyttelton; 1st Lord Lindsay of Birker, Master of Balliol College, Oxford (2); Professor Walt Rostow [Special Assistant to Executive Secretary, Economic Commission for Europe] on a proposed Economic Council for Europe; Air Vice-Marshal Malcolm Henderson, Director General, Over-Seas League; Ethel, Lady Snowden; G M Trevelyan; Lionel Curtis (2); "Ned" [1st Lord Altrincham, earlier Edward Grigg] on the importance of organizing Western Europe; Harold Nicolson, on having Labour representation in the UEM and reaction to Winston Churchill's speech in Zurich [Switzerland] on a United Europe (2); Leslie Hore-Belisha; 9th Lord de la Warr [earlier Lord Buckhurst]; Sir Walter Layton; 1st Lord De L'Isle; Ernest Brown.

Also includes: pamphlet by Winston Churchill on a United Europe as a way of preventing future war, with comments by Lionel Curtis; draft statements of aims for a European Union and on a United Europe; plan for a United States of Europe campaign; notes on the Paneuropean Union.