It is the faculty member's right and responsibility to make determinations about fair use in course contexts; the librarians and the Copyright Officer can help you navigate these policies.
Wherever possible, link to (legally available) resources rather than uploading them as documents or videos. Quick directions on finding a permalink are below.
The sites linked below provide further information for those interested:
Vogel Library, Wartburg College | 100 Wartburg Blvd, Waverly, IA, 50677 | Phone: 319-352-8500 | Email: firstname.lastname@example.org