Ebeling, Richard (2001-06-01). „John Stuart Mill and the Three Dangers to Liberty”. The Future of Freedom Foundation (на језику: енглески). Приступљено 2019-10-09. „Classical liberals and libertarians have often pointed out that a weak link in Mill’s argument is the vagueness or inconsistency in how he defines the arena within which the individual may claim protection from political infringements on his individual freedom of action.”