http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
v. 2, pt. 1. Pars prior Libri I-VIII [ed. by] W. S. Watts. -- v. 2, pt. 2. Pars post. Libri IX-XVI [ed. by] D. R. Shackleton Baily.
M. Tulli Ciceronis ; recognovit brevique adnotatione critica instruxit W.S. Watt [et D.R. Shackleton Bailey].
Scriptorum classicorum bibliotheca Oxoniensis