Vagueness - Article in the Stanford Encyclopaedia of Philosophy, by Roy Sorensen.
Vagueness and Ambiguity - A little test to help distinguish vagueness from ambiguity (from San Jose University's critical thinking pages).
Vagueness and Identity - Article by Loretta Torrago presented at the 20th World Congress of Philosophy. Makes the surprising argument that vagueness in identity statements is incompatible with vagueness of constitution.
Vagueness and the Sorites Paradox - A resource for philosophers and other researchers, including a bibliography on vagueness, plus lists of online articles, homepages of people working in the area and related external resources.
Vagueness and the Sorites Paradox - Site maintained by Justin Needle. Extensive links, and excerpts from his PhD thesis `Ruling Out the Sorites: Vagueness, Rules, Wittgenstein'.
Where Demonstratives Meet Vagueness: Possible Languages - Article by Adam Morton, which appeared in Proc. Aristotelian Society. Argues that vagueness and demonstratives are connected, by means of constructing artificial languages in which the relationships are manufactured.
