"Spinoza's concept of Mind", Journal of the history of philosophy, Berkeley (Calif.), t. 17 (1979), p. 401-416. (anglais). N III, 17.
"Truth and Adequacy in Spinozistic Ideas", in Spinoza : New Perspectives, eds. Robert W. Shahan and J.I. Biro, University of Oklahoma Press, Norman (Okla.), 1978; reprint : ibid., 1980, 11-34. (anglais).