Letter from G F Clay, Manager of the Cambridge University Press Warehouse, Fetter Lane, London, to [Robert William Frederick] Harrison, Assistant Secretary of the Royal Society, Burlington House 'Dear Sir, We beg to acknowledge receipt of your letter of June 29th which shall have our careful consideration; we may not however be able to send youo an answer for a week or two. Yours faithfully, G F Clay'. 30 June 1906