Research October 1, 1967 Monthly newsletter from Amnesty International: Postcards for prisoners campaign; October 1967
Research September 1, 1967 Monthly newsletter from Amnesty International: Postcards for prisoners campaign; September 1967
Research August 1, 1967 Monthly newsletter from Amnesty International: Postcards for prisoners campaign; August 1967
Research July 1, 1967 Monthly newsletter from Amnesty International: Postcards for prisoners campaign; July 1967
Research June 1, 1967 Monthly newsletter from Amnesty International: Postcards for prisoners campaign; June 1967