Am 23. Mai 1950 richtet Bundeskanzler Konrad Adenauer ein Schreiben an den französischen Außenminister Robert Schuman, in dem er ihm für die Initiative Frankreichs zur Schaffung einer Europäischen Gemeinschaft für Kohle und Stahl (EGKS) dankt.
On 16 May 1950, André François-Poncet, High Commissioner of the French Republic in Germany, sends a letter to Robert Schuman, French Foreign Minister, in which he analyses the initial reactions in West Germany to the Schuman Plan.
On 9 May 1960, as part of the commemoration of the 10th anniversary of the Schuman Declaration, Albert Wehrer, Luxembourg Member of the High Authority of the European Coal and Steel Community (ECSC), gives an address in which he focuses in particular on the coal crisis affecting Europe.
On 20 May 1950, in an article in the Protestant weekly newspaper Réforme, federalist René Courtin, leader of the French Council for a United Europe, welcomes the Schuman Declaration for a coal and steel pool, while expressing his fears at the possible ways in which it might operate.
On 11 May 1950, in an article in the daily newspaper Franc-Tireur, journalist Charles Ronsac describes some of the consequences of the Schuman Declaration for the Three-Power Conference due to open the same day in London.
On 12 May 1950, Dean Acheson, US Secretary of State, sends a telegram to James E. Webb, Acting US Secretary of State, in which he describes the origins of the declaration of 9 May and particularly emphasises the role of Jean Monnet in the development of the Schuman Plan.
On 10 May 1950, the British daily newspaper Daily Herald devotes its front page to the declaration made the previous day in Paris by Robert Schuman, French Foreign Minister, in which he proposed the pooling of coal and steel output in Europe.
On 11 November 1980, in an interview granted to journalist Roger Massip, Bernard Clappier, former Head of the Private Office of French Foreign Minister Robert Schuman, describes how the Schuman Plan was disclosed to Federal Chancellor Konrad Adenauer on the eve of the declaration of 9 May 1950.
On 10 May 1950, at a meeting at the Foreign and Commonwealth Office, leading British ministers comment on the declaration made the previous day by French Foreign Minister Robert Schuman, and criticise the French initiative to create a coal and steel pool in Europe.
On 3 June 1950, in a joint press release, the French, German, Belgian, Italian, Luxembourg and Netherlands Governments declare their intention to open negotiations for the pooling of coal and steel production and the establishment of a High Authority.