Folder A.9.1: Visit to Fordham University, Bronx, New York, to deliver a series of four lectures, 17-30 September 1966. Includes: Invitation and related correspondence regarding scheduling of the visit, lectures and other engagements during his stay, programme of lectures (including one titled 'Religion and Science 1983-1985'), invitation and related correspondence regarding Coulson's participation in Conference on Science and Religion sponsored by Broadway Presbyterian Church.

Folder A.9.2: Lectures to Hungarian Academy of Science, 19-29 September 1965. (Sponsored by the British Council and the Royal Society.) Includes: correspondence with sponsors regarding travel arrangements, insurance, etc., background information, correspondence with officers of Academy regarding topics for lectures, personal and scientific correspondence with Hungarian colleagues, Coulson's report to the British Council on visit.

Folder A.9.3: Visit to Nigeria, 1-22 January 1965. Coulson attended meetings organized by World Council of Churches, and gave scientific lectures under the aegis of the British Council. Includes: schedule of visit, correspondence, and Coulson's report to the British Council.

Folder A.9.4: Visit to Australia, 19-27 April 1964, to deliver scientific and religious lectures in Sydney and Melbourne. Includes: schedule of visit and printed programme of lectures, correspondence with Wesley College, Universities of Sydney and Melbourne regarding visits, topics for lectures, letters of thanks, etc.; letters to Coulson following his radio broadcast.

Folder A.9.5: Visit to New Zealand, 30 March - 19 April 1964. Coulson's visit was at the invitation of the Methodist Spiritual Advance Committee. Includes: correspondence with leaders of the Methodist community regarding scheduling of the visit, proposed itinerary, topics for lectures, numerous invitations from Methodist, pacifist and university groups, with letters of thanks, etc., correspondence with scientific colleagues regarding Coulson's lectures to university departments.

Folder A.9.6: Solvay Conference, 13me Conseil de Chimie, de I'Institut International de Chimie, Brussels, 25-30 October 1965. Includes: correspondence with conference organisers for Coulson to give the opening address, and for its publication in text of the Proceedings, programme, printed copies of papers to be presented and of discussions. Also ncludes unlabelled folder of scientific notes, calculations and drawings for figures.