Radice, B. (1969). Pliny. II. Letters, books VIII-X and Panegyricus.. Loeb Classical Library 59. Cambridge MA.
Forster, E.S. and E.H. Heffner (1954). Columella. On Agriculture, Volume II: Books 5-9.. Loeb Classical Library 407. Cambridge, MA.
Cohoon, J.W. and H.L. Crosby (1940). Dio Chrysostom III. Discourses XXXI-XXXVI. LOEB Classical Library 358. Cambridge.
Hooper, W.D. and H.B. Ash (1934). Cato, Varro. On Agriculture. Loeb Classical Library 283. Cambridge, MA.
Jones, H.L. (1924). Strabo. Geography, Volume III: Books 6-7. Loeb Classical Library 182. Cambridge, MA.
Magie, D. (1922). Scriptores Historiae Augustae. Loeb Classical Library 139. Cambridge MA.
Cary, E. (1927). Cassius Dio: Roman History VIII. Loeb Classical Library. Cambridge MA.