كتب ذات صلة

A study of the carbohydrates of the prickly pear and its fruits ...

Report of the Prickly-pear Travelling Commission. 1st November, 1912-30th April, 1914.

• Some effects of the war upon the seed industry of the United States.
  المؤلفون: Wheeler, William Archie ,  Edler, George Christian
• Silk worm food plants: cultivation and propagation.
  المؤلفون: Oliver, George Watson. [from old catalog]
• School gardening and nature study in English rural schools and in London.
  المؤلفون: Sipe, Susan Bender. [from old catalog]