Referee's report by William Lawrence Bragg, on a paper 'Atomic scattering factors of KC1 and copper for X-rays. (Comparison of experimental and theoretical values calculated with and without allowance for electron exchange). With a note from R W James' by G W Brindley and P Ridley Sectional committee: Physics He is unsure if the paper should be published. The importance of the paper lies in its clearing up of certain discrepancies in a former paper. [Not published]. Endorsed on verso as received 13 August 1937. August 1937