A short list of philosophers that grapple with epistemic and moral norms together

Scanlon
Putnam
Korsgaard
Gibbard
Cuneo
Enoch
Sayre-McCord
Shafer-Landau
Parfit
Aristotle (sorta...epistemic virtues show up in Nichomachean Ethics)
Hartry Field
Frege
Kant
Alton
Dancy
Tim Williamson (Introduction especially)
Sharon Street (Darwinian Dilemma and Evolution [Draft])

To be updated as I continue thinking...