Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Dr J [John] Millar Thomson, FRS Harrison writing to Dr J [John] Millar Thomson, FRS, regarding a meeting of the Library Committee on 29 July 1919 and the supply of German periodicals. Harrison encloses a list of German periodicals taken by the Royal Society before the First World War. He advises many are not worth continuing and suggests the Committee overhauls the list before ordering continuations, and that the red dots on the list signify the more important periodicals. 11 July 1919