Letter to David Randall Pye, regarding a paper 'Relaxation methods applied to engineering problems VIIA - Biharmonic analysis as applied to the flexure and extension of flat elastic plates' by L Fox and Richard Vynne Southwell Sectional Committee: Engineering The paper is part of a series, some of which have been printed in the Proceedings, others printed for restricted circulation, which is the preferred methods of the author. The referee, Geoffrey Ingram Taylor, does not think the paper contains anything confidential. The paper is destined for the Philosophical Transactions. Requests the opinions of the recipient. [Published in the Philosophical Transactions of the Royal Society] No received date. 24 March 1941