Bonfante, Giuliano; Bonfante, Larissa (2002). The Etruscan Language. Manchester University Press. p. 119. ISBN9780719055409. Archived from the original on 2015-06-22. Retrieved 2015-06-22.
Penzl & Hall 1994a assume a period of "Proto-Nordic-Westgermanic" unity down to the 5th century and the Gallehus horns inscription.[27] Penzl, Herbert; Hall, Margaret Austin (Mar 1994a). "The Cambridge history of the English language, vol. I: the beginnings to 1066". Language (review). 70 (1): 185–89. doi:10.2307/416753. eISSN1535-0665. ISSN0097-8507. JSTOR416753.
Rix, Robert W. (2011). "Runes and Roman: Germanic literacy and the significance of runic writing". Textual Cultures. 6: 114–144. doi:10.2979/textcult.6.1.114.
Penzl & Hall 1994a assume a period of "Proto-Nordic-Westgermanic" unity down to the 5th century and the Gallehus horns inscription.[27] Penzl, Herbert; Hall, Margaret Austin (Mar 1994a). "The Cambridge history of the English language, vol. I: the beginnings to 1066". Language (review). 70 (1): 185–89. doi:10.2307/416753. eISSN1535-0665. ISSN0097-8507. JSTOR416753.
Tacitus, Cornelius (1942). "Germany and its Tribes, chapter 10". In Alfred John Church; William Jackson Brodribb; Lisa Cerrato (eds.). Complete Works of Tacitus (1999 Perseus ed.). New York: Random House. Archived from the original on 2020-08-03. Retrieved 2023-01-18.
Bonfante, Giuliano; Bonfante, Larissa (2002). The Etruscan Language. Manchester University Press. p. 119. ISBN9780719055409. Archived from the original on 2015-06-22. Retrieved 2015-06-22.
Tacitus, Cornelius (1942). "Germany and its Tribes, chapter 10". In Alfred John Church; William Jackson Brodribb; Lisa Cerrato (eds.). Complete Works of Tacitus (1999 Perseus ed.). New York: Random House. Archived from the original on 2020-08-03. Retrieved 2023-01-18.
Penzl & Hall 1994a assume a period of "Proto-Nordic-Westgermanic" unity down to the 5th century and the Gallehus horns inscription.[27] Penzl, Herbert; Hall, Margaret Austin (Mar 1994a). "The Cambridge history of the English language, vol. I: the beginnings to 1066". Language (review). 70 (1): 185–89. doi:10.2307/416753. eISSN1535-0665. ISSN0097-8507. JSTOR416753.