Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to unknown correspondent Provisional dates of meetings for sessions 1919-1920: 1919 Thursdays, November 6, 13, 20. December 4, 11. 1920 Thursdays, January 22, 29. February 5, 12, 19, 26. March 4, 11, 18, 25. April 22, 29. May 6, 13, 20. June 3, 10, 17, 24. [October] 1919