Plant products -- India -- Maps. : Map showing the localities of the principal mineral and vegetable products of India and the course of the trunk railways / put in by Major General Tremenhere ; J. & C. Walker, lith.
Plant products -- Research -- Australia. : Medicinal herbs & pharmaceutical plant extracts : R & D opportunities : proceedings of a workshop held in Sydney on 8 July 1997 / coordinated by Ron Wills and David Evans.