Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [Cecil Clifford] Dobell Esq., FRS Titled 'Leeuwenhoek'. Informs [Cecil Clifford] Dobell of the decision of the President and Council to extend his lease of the Leeuwenhoek manuscripts for another year, on the condition that they be returned upon request from the Secretaries. 6 July 1931