1. C.Hering
1.1. The Guiding symptoms of our Materia Medica
1.2. 1879 - 10 Volumes
1.2.1. 408 Medicines 48 sub sections
1.2.1.1. 4 Grades
1.2.1.1.1. Hand sign - Approved Characteristic θ - Stands b/w the cured symptom and the pathological general state t - Toxicological π - Symptom Observed only on the sick ⋮ - Observation taken from old school
2. R.Hughes
2.1. A Manual of Pharmacodynamics
2.2. 1867 - 6 parts 300 medicines
2.2.1. Supplementary part - Important clinical Tips Appendix - Hahnemann's dosage from 1796 to his death
2.3. R.Hughes & J.P.Dake
2.3.1. Cyclopedia of Drug Pathogenesy
2.3.2. 1886-1891 - 304 Medicines
2.3.3. Proved symptoms are arranged in the order of occurrence
3. J.H.Clarke
3.1. A Dictionary of Practical Materia Medica
3.1.1. 1900 - 1036 Medicines
3.1.2. Symptoms arranged in 27 headings - Mind to Fever
4. Samuel Hahnemann
4.1. Fragmenta De Viribus - 1805 - 27 Drugs
4.2. Materia Medica Pura - 1811-1821 - 64+3 Magnets = 67 Drugs
4.2.1. Ist translation - Dr.hempel - 1846 IInd translation - Dr.Quin IIIrd translation - Dr.Dudgeon
4.2.2. Names of 50 fellow provers were given in the preface.
4.3. Chronic Diseases - 1828 - 47 Drugs
4.3.1. Translation - Prof.Louis.H.Tafel
5. T F Allen
5.1. The Encyclopedia of Pure Materia Medica
5.2. 1874 - 12 Volumes
5.2.1. 1039 Medicines(755 in the main part+284 in the supplementary part)