Indo-European Languages

• Proto-Indo-European

• Anatolian
• Armenian
• Baltic
• Celtic

• Germanic
• Hellenic
• Indo-Iranian
• Italic

• Indo European Branches of the Language Tree  - A graphic presentation of the relationships between Indo-European languages.
• Indo-European Documentation Center (IEDC)  - A project in the University of Texas at Austin to resources study and research into Indo-European and Proto-Indo-European (PIE) languages, linguistics, and culture; includes details of publications, with collection of texts and resources.