Epigraphic Database Heidelberg. Inscriptions Database. URL: https://edh.ub.uni-heidelberg.de/inschrift/suche.
Letters to Atticus Vol. 2 Shackleton Bailey 1965
Shackleton Bailey, D. R. (Ed.). (1965). Cicero’s letters to Atticus Vol. 2 58 – 54 B.C.: 46 – 93 (books III and IV) (Vol. 2, Ser. Cabridge Classical Texts and Commentaries).