Letter from Paul Adrien Maurice Dirac, on a paper 'Quantum electrodynamics in reciprocal form' by J Rayski, to the assistant secretary of the Royal Society [D C Martin] Paper reference code: A15 Dirac recommends continuing publication with the first version of Rayski's paper. Written at 7 Cavendish Avenue, Cambridge [England]. [Published in Proceedings A, 1951]. Endorsed on recto as received 20 February 1951. 19 February 1951