His Identity and discrimination, 1990: CIP t.p. (Timothy Williamson) EDSRC:Vagueness / edited by Delia Graff and Timothy Williamson (Ashgate : Dartmouth, c2002) EDSRC:Philosophical method : a very short introduction, 2020: cover back flap (Timothy Williamson is the Wykeham Professor of Logic at the University of Oxford, and the A. Whitney Griswold Visiting Professor at Yale University.)