Folders E.4.1-E.4.2: Institute of Mathematics and its Applications. Coulson served as its President 1972-1973. Committee papers and related correspondence; correspondence regarding Coulson's Presidential Address 'Mathematics and the Real World'; correspondence regarding the Institute's membership, publications, conferences, etc. Copy of Coulson's address on 'Mathematics and Biology'. 1959, 1964-1973. Folder E.4.3: Institute of Physics and the Chemical Society.…