 The examples it includes to illustrate the rules preserve numerous fragments from Latin authors which would otherwise have been lost, including Ennius, Pacuvius, Accius, Lucilius, Cato and Varro.But the authors whom he quotes most frequently are Virgil, and, next to him, Terence, Cicero, Plautus; then Lucan, Horace, Juvenal, Sallust, Statius, Ovid, Livy and Persius.The grammar was quoted by several writers in Britain of the 8th century - Aldhelm, Bede, Alcuin - and was abridged or largely used in the next century by Hrabanus Maurus of Fulda and Servatus Lupus of Ferrières.