Many of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarce and increasingly expensive. We are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork.

1899 Mr. Hansen felt previous books of materia medica only dealt with the more important medicines and id not embrace the whole list of homeopathic remedies. Mr. Hansen used a vast number of works in order to compile a book that is complete in the field.