On Philosophy and the Mirror of Nature (1979), Part II: “Mirroring.”
Is a “theory of knowledge” possible? Rorty thinks that any such account will be a fruitless search for foundations. Knowledge is really just a matter of social agreement, and beliefs must be justified from other beliefs, not from any alleged relationship to reality.
End song: “The Ghosts Are Alright” from The Bye-Bye Blackbirds (Houses and Homes, 2008), as discussed on Nakedly Examined Music #32.