Organon of Medicine. This is the fundamental writings on Homeopathy and is the codification of its principle, philosophy and practice. The book is written in 294 Aphorisams.
Materia Medica Pura: It is compiled of Observations relative to the Positive Powers of medicinal substances whose pure pathogenic action he had ascertained by experiments on himself, his family, and a few friends.
The Chronic Diseases, Their Peculiar Nature and Their Homoeopathic Cure: Dr Hahnemann after 12 years of the most painstaking work he identified three miasm’s as the fundamental cause that persist in human beings with chronic ailments. These are Psoric miasm, Sycotic miasm and Syphilitic miasm.
Lesser Writings: Lesser writing is a compilation of the writings of Hahnemann, collected and translated by R E Dudgeon. It contains articles, papers, letters and other correspondence by Hahnemann starting from the period several years prior to his discovery of Homeopathy till towards the fag end of his life.