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Gyula Klima’s homepage contains dozens of his articles.
The Peter Aureol homepage maintained by Russell Friedman.
Alfred Freddoso’s homepage also has links to many of his articles and translations.
Eleonore Stump’s homepage with a few articles.
Paul Vincent Spade maintains a page for Medieval Logic and Philosophy which contains links to several Latin texts and translations including the complete texts of his monograph: Thoughts, Words and Things: An Introduction to Late Medieval Logic and Semantic Theory.
Peter King has a fantastic webpage with links to dozens of original texts and translations.
So You Wanna Write a Book in MSWord. The name says it all.