Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Director, Bureau of Hygiene and Tropical Diseases, 25 Gordon Street, Endsleigh Gardens, WC1 Acknowledges invoice for the subscription to the Tropical Diseases Bulletin and Bulletin of Hygiene, to be supplied to Dr. [Arthur] W. Grace in British Guiana [Guyana]. Explains Dr. Grace is now in New York where he will have access to these journals, and will have to ask if he still requires the subscription. 16 November 1928