1970 November 20 Working Committee minutes
1971 February 22 Working Committee minutes
1970 October 26 Working Committee minutes
1970 May 15 Working Committee minutes
1970 September 25 Working Committee minutes
1971 April 27 Working Committee minutes
1970 July 17 Working Committee minutes
1970 June 19 Working Committee minutes
1970 January 27 Working Committee minutes
1970 August 21 Working Committee minutes
