Congress of the Dutch Labour Party, The Hague 6-9 Mar 1957 Conference wallet of documents (in Dutch), secretary's notes about arrangements, and timetable<br> 'Socialist International Information' Vol.VII No.11 (8ff) which includes the text of Gaitskell's address to the conference 16 Mar 1957 <br> <br> Correspondence:<br> MASON, Paul (British Embassy, The Hague) (3)<br> VERMEER, Evert (President, Partij van de Arbeid) (4)<br> MOZER, Alfred (International Secretary, Partij van de Arbeid) (4). 1957