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A lot of this talk page consists of users putting forth arguments as to what various terms mean or should mean.  I see very little reference to what the concepts are most commonly referred to in the literature: surely that would be a good place to start!  If I pick up a polsci textbook in America, how does it define Libertarianism?  Is it different than the definition given by a textbook written from another POV?  If so, what do scholars ""outside"" the debate have to say about it?  (And so on.)   "