Gardner, S; (2013) The Unconscious: Transcendental Origins, Idealist Metaphysics and Psychoanalytic Metapsychology. In: Ameriks, K and Boyle, N and Disley, L, (eds.) The Impact of Idealism: The Legacy of Post-Kantian German Thought. Volume 1. Philosophy and Natural Sciences. (pp. 134-165). Cambridge University Press: Cambridge, UK. Green open access