Referee's report by Paul Adrien Maurice Dirac, on a paper 'Radiative processes involving fast mesons' by F Booth and Alan Herries Wilson Sectional committee: Physics Recommended for publication in Proceedings, since it is the type of paper that 'may get out-of-date in a few years time'. One of the equations is not fully written and the statement made is inconsistent with the discussion. It doesn't contain any information which may be of value to the enemy. [Published in Proceedings of the Royal Society A, 1940]. Endorsed on verso as received 17 April 1940. April 1940