| Library cataloging and classification | |
|---|---|
| main topic | Indo-European |
| Dewey Decimal | 420/491 |
| Universal Decimal | 811.1/.2 |
Wikimedia Commons has media related to Indo-European languages.
For a list of words relating to Indo-European languages, see the Indo-European languages category of words in Wiktionary, the free dictionary.
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 and western Asia.