Indo-European languages

The Indo-European languages include some 443 (SIL estimate) languages and dialects spoken by about three billion people, including most of the major language families of Europe, as well as many languages of Southwest and South Asia, which belong to a single superfamily. Contemporary languages in this superfamily include Bengali, English, French, German, Hindi, Persian, Portuguese, Russian, and Spanish (each with more than 100 million native speakers), as well as numerous smaller national or minority languages.

References

• {{Book reference | Author=Watkins, Calvert | Title=The American Heritage Dictionary of Indo-European Roots | Publisher=Houghton Mifflin | Year=2000 | ID=ISBN 0618082506}}
• August Schleicher, A Compendium of the Comparative Grammar of the Indo-European Languages (1861/62).
• Leszek Bednarczuk (red.), J?zyki indoeuropejskie. PWN. Warszawa. 1986 (in Polish).