About Peter Loptson Books by Peter Loptson Discourse on Metaphysics and Other Writings by (author) Gottfried Wilhelm Leibniz edited by Peter Loptson Reality Fundamental Topics is Metaphysics by (author) Peter Loptson Freedom, Nature, and World by (author) Peter Loptson Theories of Human Nature - Third Edition by (author) Peter Loptson Readings on Human Nature edited by Peter Loptson
