John T. Nockleby, "Hate Speech," in Encyclopedia of the American Constitution, eds. Leonard W. Levy and Kenneth L. Karst, vol. 3 (2nd ed., Detroit: Macmillan Reference USA, 2000, pp. 1277–1279); quoted by Brown-Sica, Margaret; Beall, Jeffrey (2008). "Library 2.0 and the Problem of Hate Speech". Electronic Journal of Academic and Special Librarianship. 9 (2). अभिगमन तिथि June 22, 2021.
