Electronic Frontier Foundation
According to its website, this organization was created to defend free speech, privacy, innovation, and consumers in the area of digital rights. The site features a legal guide for bloggers.
U.S. Copyright Office
The issue of Fair Use is a complicated one. This information from the U.S. Copyright Office may be helpful in determining when you can legally use copyrighted content.
Student Press Law Center
The Student Press Law Center is an advocate for student First Amendment rights. The site includes helpful legal guides, as well as an FOI letter generator tool.
Reporters Committee for Freedom of the Press
The committee advocates for and represents journalists, and provides a series of legal guides covering newsgathering, privilege, privacy, and other issues.