http://www.philosophyarena.com/philosophyarena/homepage.htm (Philosophy Arena. Everything on philosophy.)
http://www.yahoo.com/Arts/Humanities/Philosophy/ (General index of philosophy)
http://www.utm.edu/research/iep/ (The Internet Encyclopedia of
Philosophy)
http://www.student.liu.se/~bjoch509 (Björn's Guide to Philosophy)
http://digital.library.upenn.edu/books/ (Books on line. E-books.)
http://www.addall.com/ (Book search, for buying)
http://homepages.ed.ac.uk/pmilne/links_html/journals.html. (On-line information about
journals in philosophy)
http://www.btinternet.com/~justin.needle/index.htm
(Justin Needle's
site on vagueness)
http://plato.stanford.edu/entries/vagueness/ (The Stanford Encyclopedia of
Philosophy - Vagueness)
http://socserv2.socsci.mcmaster.ca/~econ/ugcm/3ll3/hume/index.html (David Hume Index)
http://www.geocities.com/Athens/3067/hume/h_index.html (Ty’s David Hume Homepage)
http://books.mirror.org./gb.hume.html
(Great Books Index - Hume)