Other
Bristol University: "The Philosophy of Law" [Pdf]
This resource presents the complete text of a major work by the German philosopher, Immanuel Kant, in which he discusses the idea of "moral obligation" which was important to developing a political philosophy.
Friesian School
The Friesian School: Intuition and Mysticism in Kantian Philosophy
This resource argues a stricter interpretation of Kant's "intuition" than is commonly held.
New Advent
Catholic Encyclopedia: Idealism
This scholarly encyclopedia defines idealism and describes key elements of idealistic thought. Included are Platonism, nominalism, agnosticism, and Kantian philosophy. Please note that "The Catholic Encyclopedia" is a historic reference...