70. Naturalist. Plutarch I.C. 1 A.D. 80. Historian, etc. Polyaenus II. E. 8 A.D. 180. Wrote on Tactics. Procopius V.D. 5 A.D. 555. Wrote on Geography, etc. Propertius III. 1. 7 B.C. 10. Poet. Prosper V.F. 4 A.D. 450. Ecclesiastical Historian. Prudentius IV. C. 15 A.D. 370. Ecclesiastical Poet. Ptolemy v. etc. A.D. 120. Geographer. Ravenna Geography vi. etc. A.D. 450. Seneca III. C. 7 A.D. 60. Philosopher. Sidonius Apollinaris V.F. 3 A.D. 475. Letters. Solinus I.E. 4, etc. A.D. 80. Geographer. Spartianus IV. D. 2 A.D. 303. Historian. Strabo vi. etc. B.C. 20. Geographer. Suetonius I.H. 10 A.D. 110. Imperial Biographer. Symmachus IV. C. 15 A.D. 390. Statesman, etc. Tacitus v. etc. A.D. 80. Historian. Tertullian V.E. 11 A.D. 180. Theologian. Theodoret V.E. 4 A.D. 420. Wrote Commentaries. Tibullus III. A. 7 B.C. 20. Poet. Timaeus I.D. 2 B.C. 300. Geographer. Vegetius V.B. 5 A.D. 380. Historian. Venantius V.E. 4 A.D. 580. Wrote Ecclesiastical Poems. Victor V.A. 9 A.D. 380. Historian. Virgil III. 1. 7 B.C. 30. Poet. Vitruvius. I.G. 5 A.D. Wrote on Geography, etc. Vobiscus. IV. C. 17 A.D. 290. Historian. Xiphilinus vi. etc. A.D. 1200. Abridged Dio Cassius. Zosimus V.C. 11 A.D. 400. Historian. LATER AUTHORITIES The constant accession of new material, especially from the unceasing spade-work always going on in every quarter of the island, makes modern books on Roman Britain tend to become obsolete, sometimes with startling rapidity. But even when not quite up to date, a well-written book is almost always very far from worthless, and much may be learnt from any in the following list:--