The Repertory of the Elements shows the information from the books Homeopathy and Minerals and Homeopathy and the Elements, combined with numerous additions from later discoveries. It is a very valuable source of information. Furthermore itŽs a good tool to learn the way of thinking of the Element Theory. It helps you to differentiate between the stages and series by showing the different nuances of them. This repertory has some special features. Most of the entries are families instead of remedies. It helps you to think in families. The arrangement of the rubrics is done of the most informative concept for instance mother instead of delusion. Included are many articles on the theoretical background of repertories and symptoms. The concept of Basic Symptoms make the structure of symptoms clear and understandable and retrievel of symptoms more efficient.