TMP Online. Web edition of The Philosophers' Magazine.
Medieval Philosophy and Theology.
Assoc. of American University Presses Online catalog for the Association of American University Presses.
Publishers' Catalogues Home Page Huge meta-search of online bookstores. Insanely useful.
Books in Philosophy Books in Philosophy is the online bookstore of the Philosophy Documentation Center.
Philosophy Documentation Center Clearinghouse for philosophical publishing.
Electronic Theses and Dissertations in the Humanities Clearinghouse of information on electronic dissertations and theses in the humanities, in progress.
Email Directory (SMRP)
UK and Ireland.
Hippias Philosophy.