General Meetings: Book #1, 1922 December 8-1927 April 12

General Meetings: Book #3, 1928 November 6-1930 June 3

General Meetings: Book #4, 1930 October 7-1937 November 2

General Meetings: Book #3, 1937 December 7-1945 January 9

General Meetings: Book #4, 1945 February 13-1954 May 11

General Meetings: Book #5, 1954 June 1-1965 May 11

General Meetings, 1965 June 8-1973 June 12

General Meetings, 1973 October 9-1984 December 11

General Meetings, 1985 January 8-1990 May 15

Executive Board: Book #1, 1930 January 22-1939 August 7

Executive Board, 1939 September 25-1953 November 19

Executive Board, 1947 June 7-1953 November 19

Executive Board, 1953 December 4-1960 February 5

Executive Board, 1960 March 4-1969 March 4

Executive Board, 1969 April 1-1982 May 24

Executive Board, 1982 October 12-1990 May 15

Garden Section, 1937 December 14-1942 September 26

Garden Section, 1943 January 28-1952 November 20

Garden Section, 1953 January 22-1966 June 23

Garden Section, 1966 July 20-1974 September 26