Orationes Pro Cn. Plancio, Pro Rabirio Postumo - Cicero, Marcus Tullius, <106-43 a.C.>. (OLS)http://semarc/name/659; Schöll, Fritz <1766-1833>. (OLS)http://semarc/name/90289; Klotz, Alfred. (OLS)http://semarc/name/11802 (M Tulli Ciceronis scripta quae manserunt omnia, 1926)