Use databases to search for articles related to your topic:
Copyright and Fair Use: Stanford University
Visual Resources Association: Intellectual Property Rights and Copyright
Digital Image Rights Computator (The Digital Image Rights Computator is intended to assist in assessing the intellectual property status of a specific image documenting a work of art, a designed object, or a portion of the built environment. Understanding the presence or absence of rights in the various aspects of a given image will allow the user to make informed decisions regarding the intended educational uses of that image.)
Visual Resources Association's "Statement on the Fair Use of Images for Teaching, Research and Study"