Referee's report by John Edward Lennard Jones, on a paper 'Polar structures in the theory of conjugated molecules. IV. Disagreements between the valence-bond and molecular orbital thery. The role of configuration interaction in benzene' by D P Craig Sectional committee: Chemistry Recommended for publication in Proceedings. Only part of it should be published. Referees to report on the paper [not attached]. [Not published]. Date received not given. 29 March 1949