Folder D.7.1: Typescript of four short talks or broadcasts to schools on: Windscale; motorcars, market research; international problems, n.d. 'Chance and necessity', sermon preached at Great St. Mary's Church, Cambridge, May 1973; duplicated typescript. 'Caught up in a world of revolution', talk for World Council of Churches Assembly, Uppsala, and other material relating to W.C.C., 1968. 'Science and the Christian': series of 6 lectures with…