- United Nations Security Council Resolution 109, recommending admission of Laos into the United Nations
- United Nations Security Council Resolution 132, appointing a sub-committee to investigate claims of North Vietnamese attacks on Laos
- “Laos (people),” in Encyclopædia Britannica, (11th ed.), 1911
- “Vicariate Apostolic of Laos,” in Catholic Encyclopedia, New York: The Encyclopaedia Press (1913)
- “Laos,” in The New Student's Reference Work, Chicago: F.E. Compton and Co. (1914)
- “Laos,” in Collier's New Encyclopedia, New York: P. F. Collier & Son Co. (1921)
- “Laos” in The World Factbook by the CIA, 1982.
- “Laos” in The World Factbook by the CIA, 2004.