Knowing your trees
By: by G.H. Collingwood, with 529 photographs showing typical trees and their leaves, bark, flowers, and fruits.
Contributors: American Forestry Association.
Publisher: The American forestry association
Published: 1941
Place of publication: Washington, D.C
Language: eng
Number of pages: 213
Subjects: Trees -- United States.
Notes: "Selected bibliography": p. 210.
Contains 101 tree descriptions, including the fifty presented in previous editions.  cf. Foreword.
"Fifth and revised printing, November 1941."