Research 7 July 1970 Monthly newsletter from Amnesty International: Postcards for prisoners campaign; July 1970
Research 1 June 1970 Monthly newsletter from Amnesty International: Postcards for prisoners campaign; June 1970
Research 1 May 1970 Monthly newsletter from Amnesty International: Postcards for prisoners campaign; May 1970
Research 1 April 1970 Monthly newsletter from Amnesty International: Postcards for prisoners campaign; April 1970
Research 1 March 1970 Monthly newsletter from Amnesty International: Postcards for prisoners campaign; March 1970
Research 1 February 1970 Monthly newsletter from Amnesty International: Postcards for prisoners campaign; February 1970
Research 1 January 1970 Monthly newsletter from Amnesty International: Postcards for prisoners campaign; January 1970
