Referee's report by Owen Willans Richardson, on a paper 'The dissociation energies of CO, N2, NO and CN' by Alfred Gordon Gaydon and William George Penney Sectional Committee: Physics Recommended for publication in the 'Proceedings of the Royal Society of London'. The discussion is valuable, apart from the conclusions drawn. Contains extra question - 'Is there any information contained in the paper which likely to be of value to the enemy?' Referee replies no. [Published in the 'Proceedings of the Royal Society of London'] No received date. [1944]