Copy letter from Herbert Rix, to the Cambridge University Press 'Dear Sirs, With reference to your card of the 28th addressed to Miss Chambers, kindly let me see a proof of the final sheet; also, proofs of the title-page and half-title on the pattern of VI. IX. There will be no preface to insert or list of abbreviations. I am, yours truly, H Rix Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 30 April 1894