ギリシア祖語
Bronze Age Migrations in the Aegean; Archaeological and Linguistic Problems in Greek Prehistory: Proceedings of the first International Colloquium on Aegean Prehistory, Sheffield. London: Gerald Duckworth and Company Limited. pp. 263–276. ISBN 0-7156-0580-1. https://books.google.com/books?id=MUkbAAAAYAAJ
Renfrew, Colin (2003). “Time Depth, Convergence Theory, and Innovation in Proto-Indo-European: 'Old Europe' as a PIE Linguistic Area”. Languages in Prehistoric Europe. Heidelberg: Universitätsverlag Winter GmBH. pp. 17–48. ISBN 978-3-82-531449-1. https://books.google.com/books?id=_VxiAAAAMAAJ
Schwyzer, Eduard (1939) (ドイツ語). Griechische Grammatik: auf der Grundlage von Karl Grugmanns Griechischer Grammatik.