Three of Phil's labels are online: Elektra, A&M, Folkways (by way of the Smithsonian) and Rhino Records.
These are the albums which Phil Ochs released while he was alive (two of them were live recordings, so the term ``studio'' here is used loosely).
The following compilation albums were put together after Phil's Death.
These albums are all compilations of various artists, including Phil Ochs.
Wood Records put out Poison Ochs -- A Tribute To Phil Ochs. (avail. Aug 2002)
Sliced Bread Records has released an album of Phil's songs performed by a variety of performers.
David Cohen's list of covers
These are all songs written about, or dedicated to Phil's memory.
Wilson & Alroy's Record Reviews: Phil Ochs