https://www.copyright.gov/title17/title17.pdf
https://www.niu.edu/flexteaching/guide-to-course-materials/what-should-i-know-about-copyright.shtml
https://www.niu.edu/citl/resources/guides/instructional-guide/copyright-basics-for-teaching.shtml
https://libguides.ala.org/copyright/teachact
https://web.archive.org/web/20180408224010/http://www.ala.org/advocacy/copyright/teachact/faq
https://creativecommons.org/
Open Access Policy of NIU
NIU OA Publishing Fund
WIPO: Marrakesh Treaty