- Keynotes And Characteristics With Comparisons of some of the Leading Remedies of the Materia Medica (H. C. Allen, M. D.)
- Keynotes of Homeopathic Materia Medica (Dr. Adolf von Lippe)
- Lectures on Clinical Materia Medica (Dr. E. A. Farrington)
- Lectures on Homeopathic Materia Medica (Dr. James Tyler Kent)
- The Chronic Diseases (Dr. Samuel Hahnemann)
- Organon-of-Medicine-6th-edition (Kunzli, Naude)
- Lectures on Homeopathic Philosophy (Dr. James Tyler Kent)
- Lesser Writings (Dr. Samuel Hahnemann)
- Lesser Writings (Dr. James Tyler Kent)
- The Lesser Writings (Dr. C.C.M. von Boenninghausen)
- The Twelve Tissue Salts of Schuessler (William Boericke, MD)
- Homeopathic Therapeutics (Samuel Lillienthal)