Bowie, Andrew (2024), "Friedrich Wilhelm Joseph von Schelling", in Zalta, Edward N.; Nodelman, Uri (eds.), The Stanford Encyclopedia of Philosophy (Summer 2024 ed.), Metaphysics Research Lab, Stanford University, retrieved 2024-12-21
Redding, Paul (2020), "Georg Wilhelm Friedrich Hegel", in Zalta, Edward N. (ed.), The Stanford Encyclopedia of Philosophy (Spring 2020 ed.), Metaphysics Research Lab, Stanford University, retrieved 2020-04-15
