Folder A.13.1: Notebook 'Long vac. term 1931': miscellaneous laboratory experiments, indexed at front of book by Coulson, 1931. Folder A.13.2: Applications for Commonwealth and other Fellowships, 1937. Folder A.13.3: Press-cuttings regarding Coulson's first USA tour, when the lectured for the Emergency Peace Campaign, 1937. Folder A.13.4: Election to Fellowship of the Royal Society of Edinburgh, 1941. Folder A.13.5: Miscellaneous correspondence…