Books by Humphrey, James Ellis
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Amherst Trees: An Aid To Their Study (1892)
Author(s): Humphrey, James Ellis
ISBN-13: 9781120144799
Botanical Microtechnique: A Hand-Book of Methods for the Preparation, Staining, and Microscopical Investigation of Vegetable Structures
Author(s): Humphrey, James Ellis
ISBN-13: 9781294138686