Relative Identity, Oxford University Press, Clarendon Library of Logic and Philosophy, 1977, xii + 234 pp.
The Collected Papers of Bertrand Russell, Vol. l: Cambridge Essays, 1888_99, edited with K. Blackwell, A. Brink, R. Rempel and J. Slater, London, Allen and Unwin, 1983, xxxiv + 554 pp.
The Collected Papers of Bertrand Russell, Vol. 2: Philosophical Papers, 1896-99, edited with A.C. Lewis, London: Unwin Hyman, 1990, xxxix + 647 pp.
Russell's Idealist Apprenticeship (Oxford: Oxford University Press, 1991), xiv + 410pp.
The Selected Letters of Bertrand Russell, vol. 1, The Private Years 1884-1914 (London: Allen Lane Press; New York: Houghton Mifflin) xxi + 553 pp.
The Selected Letters of Bertrand Russell, Vol. 2, The Public Years 1914-1970, with the assistance of Alison Roberts Miculan, (London and New York: Routledge, 2001) , xxi + 660 pp.
The Selected Letters of Bertrand Russell, 2 vols., paperback edition; London, Routledge, 2002; xxiii + 540 pp. and xix + 660 pp. (Both volumes reissued in paperback.)
The Cambridge Companion to Russell, ed. (Cambridge University Press, 2003), xvii+550pp.
"Through the Woods to Meinong's Jungle", in Kent A. Peacock and Andrew D. Irvine (eds.) Mistakes of Reason. Essays in Honour of John Woods, (Toronto: University of Toronto Press, 2005), pp. 15-32
"Bertrand Russell and Harold Joachim", Russell: The Journal of Bertrand Russell Studies, N.S. Vol. 27, no. 2, (Winter 2007-08), pp. 220-244.
"Rethinking Item Theory", in Nicholas Griffin and Dale Jacquette (eds.) Russell vs Meinong. The Legacy of 'On Denoting', (London, New York: Routledge, 2008), pp. 204-232.
"Psychologism and the Development of Russell's Account of Propositions" (with David M. Godden), History and Philosophy of Logic vol. 30, No. 2, pp. 171-186.