Languages in Switzerland:Language distribution and language relations in Switzerland, by the Swiss Embassy in the US.
Ethnologue: Switzerland: Languages spoken in Switzerland: country listing in the Ethnologue database: Languages of the World
Map of Switzerland: Language Regions:
Mother tongue in Switzerland: First languages of the Swiss Population: Percentages of the 'National Languages' German, French, Italian, and Romansh according to the 1990 Census.
