Textbook of dendrology covering the important forest trees of the United States and Canada - Harlow, William Morehouse 1900- (Manila National Book Store, 1979)
A reprint of the same ed. published by McGraw-Hill, New York.
Reprinted under authority of Presidential Decree No. 285 as amended by P.D. Nos. 400 and 1203.
Keywords: Trees -- United States; Trees -- Canada; Trees -- North America