Bentley, R., & Trimen, H. (1992). Medicinal plants: Being descriptions with original figures of the principal plants employed in medicine and an account of the characters, properties, and uses of their parts and products of medicinal value. International Book Distributors.

Bentley, Robert, and Henry Trimen. Medicinal Plants: Being Descriptions with Original Figures of the Principal Plants Employed in Medicine and an Account of the Characters, Properties, and Uses of Their Parts and Products of Medicinal Value. Dehradun: International Book Distributors, 1992.

Bentley, Robert, and Henry Trimen. Medicinal Plants: Being Descriptions with Original Figures of the Principal Plants Employed in Medicine and an Account of the Characters, Properties, and Uses of Their Parts and Products of Medicinal Value. International Book Distributors, 1992.