1969 11 November 21 Working Committee minutes
1969 7 July 18 Working Committee minutes
1969 10 October 10 Working Committee minutes
1969 12 December Working Committee minutes
1969 1 January 17 Working Committee minutes
1968 9 September 16 Working Committee minutes
1968 7 July 5 Working Committee minutes
1968 6 June 14 Working Committee minutes
1968 4 April 19 Working Committee minutes
1968 8 August 9 Working Committee minutes
