Referee's report by Nevil Vincent Sidgwick, on a paper 'The electronic structure of some polyenes and aromatic molecules. VII. Bonds of fractional order by the molecular orbital method' by Charles Alfred Coulson Sectional committee: Chemistry He isn't competent enough to judge the paper. If the assumptions are correct, it'll be of great interest to chemists. [Published in Proceedings of the Royal Society A, 1939]. Endorsed on verso as received 13 September 1938. 12 September 1938