51.
A Manual of Structural Botany; an Introductory Textbook for Students of Science and Pharmacy
by Rusby, Henry Hurd
ISBN: 9781019871812
52.
Essentials of Vegetable Pharmacognosy ?a Treatise On Structural Botany ? Designed Especially...
by Jelliffe, Smith Ely, Rusby,...
ISBN: 9781014062598