Published by the International Federation of Journalists, this book covers the Ethical Journalism Initiative, ethics, the changing media landscape, legal issues and more.
Guide from Reporters Committee for Freedom of the Press covers topics like Freedom of Information, libel, invasion of privacy, content regulation and more.
Article from the New York Times (might be behind a pay wall) about rights and responsibilities of high school newspapers--the information is applicable to university papers.
From the American Press Institute, four guides covering "journalism as a discipline of verification", "the hierarchy of accuracy", "the hierarchy of information and concentric circles of sources" and "the protess method of verification".
A free digital book, covering how to verify digital content for emergency coverage. It provides tools, techniques and guidelines for dealing with user-generated content during emergencies.