كتب ذات صلة

Culture of the citrus in California.

New citrus creations of the Department of agriculture.

• Some facts concerning the New York state college of agriculture at Cornell university.
  المؤلفون: Webber, Herbert John
• "Appendix to the catalogue of the flora of Nebraska." With a supplementary list of recently reported species
  المؤلفون: Bessey, Charles E. ,  Webber, Herbert John
• The water hyacinth, and its relation to navigation in Florida.
  المؤلفون: Webber, Herbert John