In 1966, Valberg received his doctorate from the University of Chicago with his dissertation, "Agency: Some Metaphysical Questions Concerning Human Action".[2]
^Windt, Jennifer M. (June 20, 2021). "Dreams and Dreaming". In Zalta, Edward N. (ed.). The Stanford Encyclopedia of Philosophy. Metaphysics Research Lab, Stanford University – via Stanford Encyclopedia of Philosophy.
^Crane, Tim; French, Craig (June 20, 2021). "The Problem of Perception". In Zalta, Edward N. (ed.). The Stanford Encyclopedia of Philosophy. Metaphysics Research Lab, Stanford University – via Stanford Encyclopedia of Philosophy.