Copy letter from Robert William Frederick Harrison, to Stephen Massingberd, Assistant Secretary, Royal Statistical Society, 9 Adelphi Terrace, Strand, W. 'Dear Sir, With reference to your letter of the 11th inst., there will be no objection to your Society making use of Mr. Yule's illustration, and this note will serve as an authority to Messrs. Harrisons to utilize the block for your "Journal". I am, Yours faithfully, Robt Harrison Asst. Sec. R. S. [Assistant Secretary, Royal Secretary]'. 13 December 1897