Textbook of dendrology : covering the important forest trees of the United States and Canada / William M. Harlow, Ellwood S. Harrar, Fred M. White.

by Harlow, William Morehouse, 1900-
New York : McGraw-Hill, c1979.

Series: McGraw-Hill series in forest resources.

Fruit key and twig key to trees and shrubs : Fruit key to northeastern trees and Twig key to the desiduous [sic] woody plants of eastern North America / William M. Harlow.

by Harlow, William Morehouse, 1900-
New York : Dover Publications, 1959, c1941 and c1946.

Twig key to the deciduous woody plants of eastern North America / by William M. Harlow.

by Harlow, William Morehouse, 1900-
[Syracuse, N. Y.] The Author, 1941.