Coba jelasin Karya dari L.A. Colding dong

1856: "Scientific reflections on the relationship between intellectual life’s activity and the general forces of nature"

1863: On the History of the Principle of the Conservation of Energy, Philosophical Magazine Series 4, 27: 56–64 via Biodiversity Heritage Library

1871: On the Universal Powers of Nature and their Mutual Dependence, Philosophical Magazine, Series 4, 42: 1–20