Works :

De rerum natura ed. Ulrich Harsch 1998/2001 [Bibliotheca Augustana]

Alternate Latin texts:

ed. Unknown [The Latin Library]
ed. Unknown [Université catholique de Louvain]

Translations:

English by William Ellery Leonard [Internet Classics Archive]
French (PDF) by Henri Clouard [Ugo Bratelli]
French by Unknown [Université catholique de Louvain]