1. Bevilacqua, Fabio. 1993. Helmholtz’s Ueber die Erhaltung der Kraft The Emergence of a Theoretical Physicist. In Hermann von Helmholtz and the Foundations of Nineteenth-Century Science, ed. David Cahan, 291–333. Berkeley: University of California Press.
2. Bosmia, et al. 2016. Karl Ewald Konstantin Hering (1834–1918), Heinrich Ewald Hering (1866–1948), and the namesake for the Hering-Breuer reflex. Child’s Nervous System 32: 1561–1565.
3. Cahan, David, ed. 1993. Hermann von Helmholtz and the Foundations of Nineteenth-Century Science. Berkeley: University of California Press.
4. Caneva, Kenneth. 2019. Helmholtz, the Conservation of Force and the Conservation of Vis Viva. Annals of Science 76: 17–57.
5. Darrigol, Olivier. 2000. Electrodynamics from Ampère to Einstein. Oxford University Press.