Items H.1.1 and H.1.2: two loose-leaf notebooks containing printed notices and programmes for Coulson's departmental 'coffee party' talks, colloquia in atomic and molecular structure, and seminars in quantum theory. 1953-1973.

Items H.1.3 and H.1.4: Distribution of reprints. Two notebooks containing lists of Coulson's reprints and of the recipients, with some correspondence regarding requests to be put on the mailing list.

Item H.1.5: 'Problems Book'. Bound notebook indexed by Coulson by areas of interest (Reactions, Molecular Structure, Wave Mechanics, Metals). Each section is sub-indexed by title of problem, page and date. Each entry notes how the problem was first suggested to Coulson (i.e. conversations with colleagues, students' theses), a description of the problem, and Coulson's thoughts on how the problem might best be solved. 1953-1956.