Research 1 January 1969 Monthly newsletter from Amnesty International: Postcards for prisoners campaign; January 1969
Research 1 December 1968 Monthly newsletter from Amnesty International: Postcards for prisoners campaign; December 1968
Research 1 November 1968 Monthly newsletter from Amnesty International: Postcards for prisoners campaign; November 1968
Research 1 November 1968 POC Week. Human Rights Year 1968, A World-wide campaign for the release of political and religious prisoners
Research 1 October 1968 Monthly newsletter from Amnesty International: Postcards for prisoners campaign; October 1968
Research 1 September 1968 Monthly newsletter from Amnesty International: Postcards for prisoners campaign; September 1968
Research 1 August 1968 Monthly newsletter from Amnesty International: Postcards for prisoners campaign; August 1968
Research 1 July 1968 Monthly newsletter from Amnesty International: Postcards for prisoners campaign; July 1968
Research 1 June 1968 Monthly newsletter from Amnesty International: Postcards for prisoners campaign; June 1968
