Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Dr J [John] Millar Thomson, FRS Advises he is writing to the Treasurer Dr [Sir] David Prain to ask him to attend the Committee meeting the following week, but he may already have engagements that day. Invites Dr Thomson for a preliminary discussion of the questions involved on Tuesday afternoon after 2pm, 'we could get a scheme prepared before the meeting.' [This may refer to a meeting of the Library Committee as per previous letter NLB/57/565]. 5 December 1919