Letter from C J Clay and Sons, The Cambridge University Press Warehouse, Ave Maria Lane, London, to [Robert William Frederick] Harrison, The Royal Society, Burlington House 'Dear Sir, We beg to acknowledge receipt of your letter of [January] 19; we are sending to Messrs Asher & Co. in accordance with your instructions, the copy referred to; we had a card from you on [August] 11, 1903, but do not trace the receipt of a letter on [December] 18 with regard to the matter. We remain, Yours faithfully, C. J. Clay and Sons.' 22 January 1904