كتب ذات صلة

Vollständige Naturgeschichte der schädlichen Forstinsekten : ein Handbuch für Forstmänner, Cameralisten und Dekonomen

Ueber den unmittelbaren nutzen der insekten.

A treatise on some of the insects of New England which are injurious to vegetation

Some south Indian insects and other animals of importance considered especially from an economic point of view

• Wetland management : a report
  
• U.S. policy and the Third United Nations Conference on the Law of the Sea : hearings before the Committee on Foreign Affairs, House of Representatives, Ninety-seventh Congress, first session, April 29 and May 14, 1981.
  
• U.S. Coast Guard : a study of its origin, responsibilities, relationships, and direction