1969 9 September 26 Working Committee minutes
1970 March 20 Working Committee minutes
1970 February 20 Working Committee minutes
1969 8 August 8 Working Committee minutes
1970 December 19 Working Committee minutes
1970 April 17 Working Committee minutes
1969 5 May 16 Working Committee minutes
1969 4 April 11 Working Committee minutes
1969 3 March 14 Working Committee minutes
1969 6 June 20 Working Committee minutes
