Academic freedom

Supreme Court
Healy v. James, 408 U.S. 169 (1972)
Keyishian v. Board of Regents of the University of the State of New York, 385 U.S. 589 (1967)
Sweezy v. New Hampshire, 354 U.S. 234 (1957)

Kors, Alan Charles, and Silverglate, Harvey A., The Shadow University: The Betrayal of Liberty on America’s Campuses Chapter 3, “What is Academic Freedom?” New York: Free Press, 1998

War on Terrorism: Pro or con, war talk's risky on campus
Academic Freedom of Individual Professors and Higher Education Institutions: The Current Legal Landscape
FIRE and the Aftermath of September 11