Correspondence, 'Professional and confidential', of M S Bartlett Subject of correspondence includes; Bartlett's candidature for the Fellowship of the Royal Society, publication and reviews of papers, references by Bartlett for D G Kendall, a request for potential names from Bartlett for the appointment fo Heard of the Ordnace Board Statistical Group. Correspondents include: J Neyman, T Newall, A C Aitken, R Fowler, Air Vice Marshal Pidcock, J B S Haldane, J Wishart File also contains a copy of 'The intrinsic uncertainty of reference frames' by A S [Seldybor]. 1937-1957