If you need a for research: download Ware’s translation from Libgen . If you need better accuracy : use Ware alongside the original Chinese (available on ctext.org).
For a "deep" dive, you should look for these two specific scholars: baopuzi english translation pdf best
The Master Who Embraces Simplicity: A Study of the Philosopher Ko Hung, A.D. 283–343 . If you need a for research: download Ware’s
While Ware focuses on the "Inner" mystical chapters, provides the primary English source for the Outer Chapters . baopuzi english translation pdf best