1. American Association of University Professors (AAUP) 1984 Policy documents and reports: 1967 Joint statement on rights and freedoms of students www.scholarship.law.duke.edu/cgi/viewcontent.cgi?article=4064&context=Icp
2. American Council of Trustees and Alumni 2005 Intellectual diversity: Time for action www.goacta.org/publications/PDFs/IntellectualDiversityFinal.pdf