It is more than a repertory. It is a method. It is also a guide to the study of materia medica. Five type faces are used to indicate the means in which the remedies were encountered in the provings. Edited by T.F. Allen, this work is often prized for its section on concordances; describing similarities between medicines. The current resurgence of interest in the Boenninghausen method has practitioners giving this gem a second look.

An invaluable bedside reference used by Master Hahnemann himself, frequently preferred to the other works. Systematic with detailed information on various locations, sensations, modalities & relationship of remedies, this work paved the way for all the future repertories.