Copy letter from Robert William Frederick Harrison, to Dr V E Mourek, General Secretary, K B Gesellschaft der Wissenschaften, Prague, Bohemia 'I beg to acknowledge the receipt of your letter of the 17th inst., which shall be laid at the first opportunity before the Committee of the Royal Society charged with the preparation of the scheme for the proposed International Catalogue of Scientific Literature. I have the honour to remain, Very faithfully yours, Robt Harrison Asst. Sec. R. S. [Assistant Secretary, Royal Society]'. 28 April 1897