Visit to Yugoslavia, Mar 24-Apr 6, 1965. Includes invitations to visit various institutes and laboratories, scheduling and travel arrangements.

Symposium on 'How to teach the art of approximation', Imperial College, London, May 1965. Includes correspondence and a summary of the proceedings.

Visit to M.I.T., Sep 13-19, 1965. Includes correspondence regarding arrangements for a one-week visit, including original invitation extended in 1964 to Peierls to come as Visiting Professor for 1965-1966.

International Conference on Elementary Particles, Oxford, 19-25 Sep 1965. Includes correspondence regarding nominations for invitations.