Lucretius - On The Nature of Things - Bailey
Editions at EpicureanFriends.com
The 1743 Translation Published By Daniel Brown
The translator of this edition is unknown, but it was published in England by Daniel Brown in 1743. This translation has the advantage that despite being older, it can sometimes be easier to read than later versions.
The 1893 Translation of HAJ Munro
This is one of the most memorable and literal translations available.
The 1920's Loeb translation by William Rouse
The 1936 Translation Of Cyril Bailey
This is the most recent edition in the public domain.
The Latin Edition
This text comes from LatinLibrary.com.