* {{cite book|author=Jensen, Hans|year=1970|title=Sign Symbol and Script|location=London|publisher=George Allen and Unwin Ltd|isbn=0-04-400021-9}}. Transl. of {{cite book|author=Jensen, Hans|title=Die Schrift in Vergangenheit und Gegenwart|publisher=[[Deutscher Verlag der Wissenschaften]]|year=1958}}, as revised by the author
* {{cite book|author=[[Helmut Rix|Rix, Helmut]]|year=1993|chapter=La scrittura e la lingua|editor=[[Mauro Cristofani|Cristofani, Mauro]] (hrsg.)|title=Gli etruschi - Una nuova immagine|location=Firenze|publisher=Giunti|pages=S.199–227}}
* {{cite book|author=Wachter, Rudolf|year=1987|title=Altlateinische Inschriften: sprachliche und epigraphische Untersuchungen zu den Dokumenten bis etwa 150 v.Chr. Bern (etc.)}}: Peter Lang.
* {{cite book|chapter=The names of the letters of the Latin alphabet ''(Appendix C)''|author=W. Sidney Allen|title=Vox Latina — a guide to the pronunciation of classical Latin|publisher=[[Cambridge University Press]]|year=1978|isbn=0-521-22049-1 (Second edition)}}