The history of the conquest of the Gauls (aka Celts) written by Julius Caesar.
Physics, the mind, soul, the movements of the universe, and sex, obviously
50 BCEThe history of Rome from by Titus Livius Patavinus
How to build roads, buildings and aqueducts with Roman precision
15 BCEThe transformations of man and gods from before formation of the world
1 CEThe adventures of Aeneis the Trojan, and what happens when the gods hate you
19 CEThe warlike tribes of ancient Spain