The Public Domain Sherpa provides useful information about public domain resources and demystifies misconceptions.
Fair Use Guidelines for Educational Media (CONFU)
CONFU (1998 Conference on Fair Use) guidelines may help you clarify the application of fair use of copyrighted works in the digital educational environment. NOTE: They are guidelines, not part of Copyright law.
CONFU guidelines can be useful for educators and students who are working on educationally-related projects like video podcasting, multimedia projects utilizing sound and videos, etc. This site from Stanford provides additional information.
Disclaimer: This guide covers basic issues of copyright for Bucknell students who may need to use copyrighted information in their course work. It is not intended as legal advice. More information is available on the mybucknell copyright site (login may be required), which includes our institution's policy.