Letter from Harrie Stewart Wilson Massey, on a paper 'Theoretical studies in nuclear structure IV' by J P Elliott, J Hope and H A Jahn, to D C Martin, assistant secretary of the Royal Society Paper reference code: A14 Massey refers to the difficulty of refereeing this paper, as it is very long and contains very detailed formulae. Written at Department of Physics, University College London, Gower Street, Euston [England]. [Published in Philosophical Transactions A, 1953]. Endorsed on recto as received 24 April 1953. 22 April 1953