- Herbal Formularies for Health Professionals, Volume 1: Digestion and Elimination, including the Gastrointestinal System, Liver and Gallbladder, Urinary System, and the Skin
- Herbal Formularies for Health Professionals, Volume 3: Endocrinology, Including the Adrenal and Thyroid Systems, Metabolic Endocrinology, and the Reproductive Systems
- Herbal Formularies for Health Professionals, Volume 2: Circulation and Respiration, Including the Cardiovascular, Peripheral Vascular, Pulmonary, and Respiratory Systems
- Herbal Formularies for Health Professionals, Volume 4: Neurology, Psychiatry, and Pain Management, Including Cognitive and Neurologic Conditions and Emotional Conditions
- Herbs for Health and Healing