كتب ذات صلة

The strength of Canadian Douglas fir, red pine, white pine, and spruce.

Our native trees and how to identify them a popular study of their habits and their peculiarities.

The human side of trees, wonders of the tree world.

Ethics of the trees

• Trees a handbook of forest-botany for the woodlands and the laboratory.
  المؤلفون: Ward, Harry Marshall ,  Groom, Percy
• Disease in plants.
  المؤلفون: Ward, Harry Marshall
• Trees and their life histories. Illustrated from photographs by Henry Irving.
  المؤلفون: Groom, Percy

• Water reptiles of the past and present
  المؤلفون: Williston, Samuel Wendell
• Water plants a study of aquatic angiosperms.
  المؤلفون: Arber, Agnes (Robertson) 1879-1960
• The wanderings of animals
  المؤلفون: Gadow, Hans