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- “Switzerland” in The Nuttall Encyclopædia by James Wood, London: Frederick Warne and Co., Ltd., 1907.
- “Switzerland”, in Encyclopædia Britannica, (11th ed.), 1911
- “Switzerland,” in Catholic Encyclopedia, New York: The Encyclopaedia Press (1913)
- “Switzerland” in The World Factbook by the CIA, 1982.
- “Switzerland” in The World Factbook by the CIA, 1990.
- “Switzerland” in The World Factbook by the CIA, 2004.
Constitutional and legislative documents
- A Citizens' Army; The Swiss System, 1916 by Julian Grande
- Our Life in the Swiss Highlands, 1892 by John Addington Symonds
- “The Swiss Democracy,” in Littell's Living Age, 146 (1886)