Merriam-Webster's Encyclopedia of Literature. Merriam-Webster. 1995. s.314. ISBN9780877790426.
West 2007, s. 176: "The ∆α-, however, cannot be explained from Greek. But there is a Messapic Damatura or Damatira, and she need not be dismissed as borrowing from Greek; she matches the Illyrian Deipaturos both in the agglutination and in the transfer to the thematic declension (-os, -a). (It is noteworthy that sporadic examples of a thematically declined ∆ημήτρα are found in inscriptions.) Damater/Demeter could therefore be borrowing from Illyrian. An Illyrian Dā- may be derived from *Dʰǵʰ(e)m-"
Cohen, A, Art in the Era of Alexander the Great: Paradigms of Manhood and Their Cultural Traditions, Cambridge University Press, 2010, p. 213. Google book preview
Isocrates, Panegyricus4.28: "When Demeter came to our land, in her wandering after the rape of Kore, and, being moved to kindness towards our ancestors by services which may not be told save to her initiates, gave these two gifts, the greatest in the world – the fruits of the earth, which have enabled us to rise above the life of the beasts, and the holy rite, which inspires in those who partake of it sweeter hopes regarding both the end of life and all eternity".
