Copy letter from [Robert William Frederick Harrison, Assistant Secretary of the Royal Society]; to Mrs. A. M. Waller Informs Mrs. A. M. Waller that the Society has two papers entered in their register under the names [W. Geoffrey] Duffield and [Mary D.] Waller. Explains that the first was published in the 'Proceedings of the Royal Society' last year, while the second was not voted for publication. Suggests writing to Professor Duffield, who has a considerable number of author's copies and would no doubt let Mrs. A. M. Waller have some. 5 June 1917