Materia medica pura 

1. Written by - Dr. Hahnemann

2. German name - Reine Arzneimittellehre.

3.Translated by (German to English) - R.E. Dudgeon 

4. Annotated by - Richard haehl 

5. Materia medica Pura 1st edition.

A. No of volume in 1st edition - 6

B. No of medicine in 1st edition - 64

- Volume 1 (1811) - 12 drugs

- volume 2 (1816) - 11 drugs(3magnets)

- volume 3 (1817) - 8 drugs

- volume 4 (1818)- 12 drugs

- volume 5 (1819)- 11 drugs 

- volume 6 (1821)- 10 drugs 

6. Materia medica Pura 2nd Augmented edition 

A. No of  Drugs - 67

- volume 1 (1822) - 12 drugs

- volume 2 (1824) - 11 drugs

- volume 3 (1824)- 8 drugs

- volume 4 (1825)- 12 drugs

- volume 5 (1826)- 11 drugs

- volume 6 (1827) - 13 drugs( three drugs which were Introduced are - Ambra, carbo ani ,carbo veg)

7. Materia medica pura 3rd edition-

A. Total volume - 2

1st volume - 1830

2nd volume - 1833