Harlow W., Harrar L. Textbook of dendrology

Covering- the Important Forest Trees of the United States and Canada. Third Edition Second Impression McGraw-Hill Book Company, Inc. New York Toronto London 1950 – 555 p.William M. Harlow, Ph.D. Professor of Wood Technology New York State College of Forestry.
Ellwood S. Harrar, Ph.D. Professor of Wood Technology, School of Forestry Duke University.Classification
Nomenclature
Identification
Variation
Descriptions of species
Gymnosperms
Cycadales
Ginkgoales
Gnetales
Conifcralcs
Angiosperms
The Plant Families
I. Amentiferae
II. Floriferae
A. Apetalae
B. Polypetalae
C. SympetalaeDerivations of Some Scientific Names
Selected References