HERBERT PAUL GRICE, "LOGIC AND CONVERSATION: THE OXFORD LECTURES ON 'IMPLICATURE'," predating the William James lectures -- BANC MSS 90/135c

Speranza

Green, M. S. Review of “Implicature: Intention, Convention, and Principle in the Failure of Gricean Theory” by Wayne A. Davis. Philosophy and Phenomenological Research, 65.

That's what Davis needs!

A good Griceian refutation -- Popperianly speaking, i.e. in good faith!