Gravitation

The correlation and conservation of forces

Historical studies on the phlogiston theory

Wave Theory of Light and Spectra (The Development of science)

The natural philosophy of Albrecht von Haller

Letters addressed to H.R.H. the Grand Duke of Saxe Coburg and Gotha, on the theory of probability

Rudolf Virchow

Histoire des sciences et des savants

Essays from the Edinburgh and Quarterly Reviews

The Wave theory, light and spectra

Historical studies in the theory of atomic structure

A history of chemical theory

An essay on probabilities

French views of German science

Hippocratic medicine, its spirit and method

Electro-magnetism

Laws of gases