Proto-IE:
Alt-Griechisch:
Sprachkurs @ Wikibooks
Yazgulyam (Yazgulam) @ en.wiki
Nepali:
Sprachkurs @ wikibooks
Irisch (Irish / Gaeilge):
—- Allgemeines @de,wikipedia.org
—- Overview @ en.wikipedia.org
—- Syntax @en.wikipedia.org
—- Morphology @ en.wikipedia.org
—- Nominal Declension @ en.wikipedia.org
—- Verbs @ en.wikipedia.org
—- Gramadach na Gaeilge – Die Irische Grammatik
—- Irish Lessons @ INA