AllA Letter concerning TolerationAn Essay concerning Human UnderstandingAn Essay concerning the True Original Extent and End of Civil GovernmentFriedrich NietzscheFundamental Principles of the Metaphysic of MoralsGermanyGroundwork for the Metaphysic of MoralsImmanuel KantJohn LockeMetaphysical Foundations of Natural ScienceModernNietzscheNovelPhilosophyThe Critique of Pure ReasonThus Spake ZarathustraThus Spoke ZarathustraUnited Kingdom