In my library we’ve been visiting SAA - Archivists Code of Ethics and the ALA Code of Ethics. Both are, of course, very similar. It’s the details that really matter. The best part is that because of them, we’ve made a lot of changes already, just by reviewing some procedures and policies.
WebJunction also offers a course on how to be a leader and use the code of ethics to become a more ethical librarian. How revolutionary!