Many of the collections on Portugal relate to various diplomatic missions in the country, including ones from Hungary, Poland, and Latvia. Some collections pertain to Portuguese colonialism in Africa; others contain materials on the 1974 revolution that brought an end to a long period of right-wing dictatorship in Portugal.
Chilcote, Ronald H. Emerging Nationalism In Portuguese Africa: A Bibliography of Documentary Ephemera Through 1965. Stanford.: Hoover Institution on War, Revolution, and Peace, Stanford University, 1969.