Copyright law gives users the right to use copyrighted material without permission under certain circumstances. These provisions are often called exceptions and limitations to copyright law. In the U.S., they include fair use, certain uses during face-to-face teaching and distance education, and certain uses by libraries and archives.
If your planned use implicates one of the rights of copyright holders and does not fall under a user right, you will need to get permission from the copyright holder or change your plans.
Covers fair use, an exception to US copyright law that allows certain favored uses of in copyright work without having to ask the copyright holder for permission.
Covers the rights given to teachers and students in traditional, in person classrooms and in distance education.
Covers the rights libraries and archives have to make certain reproductions and distributions of in copyright works.