Letter from John Murray, 50A Albemarle Street, London, to the Secretary of the Royal Society 'Dear Sir, Will you very kindly lend me the blocks mentioned on enclosed leaf, and return this letter also with Lord Berkeley's letter also sent herewith - If you lend the originals I will return them to you as soon as done with. Yours faithfully, John Murray [enclosures not present]'. 5 February 1907