كتب ذات صلة

Veitch''s manual of the coniferae : containing a general review of the order, a synopsis of the species cultivated in Great Britain, their botanical history, economic properties, place and use in arboriculture, etc.

Practical hints on planting ornamental trees with particular reference to coniferae...

On the germination, development, and fructification of the higher Cryptogamia and on the fructification of the Coniferæ.

The older forest plantations in Massachusetts. Conifers.

• A progress report of the results secured in treating pure white pine stands on experimental plots at Keene, New Hampshire
  المؤلفون: Hawley, Ralph C.
• The practice of silviculture, with particular reference to its application in the United States.
  المؤلفون: Hawley, Ralph C.
• The practice of silviculture, with particular reference to its application in the United States
  المؤلفون: Hawley, Ralph C.

• Studies from the Yale Psychological Laboratory.
  
• Decapod Crustacea of Bermuda. Their distribution, variations, and habits
  المؤلفون: Verrill, A. E.
• Studies of Connecticut hardwoods the treatment of advance growth arising as a result of thinnings and shelterwood cuttings
  المؤلفون: Hawley, Ralph C. ,  Leffelman, Louis Jack.