Copy letter from Robert William Frederick Harrison, to Senor Don J M Gonzalez, President, Institut Polytechnique, Bogota, Colombia 'I am directed to acknowledge the receipt of your letter of the 29th March and to say that it shall be brought before the next meeting of the International Catalogue Committee. I am, Yours faithfully, Robt Harrison Asst. Sec. R.S. [Assistant Secretary, Royal Society]'. 29 May 1896