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Ask a Question

Most questions are answered within five (5) business days of receipt.

We can help you:

  • choose databases
  • set up search alerts
  • conduct literature reviews
  • find data
  • locate hard-to-find items, such as historical documents and conference proceedings
Borrow Materials

On-site visitors may request materials to read or copy in the main reading room, but access to the stacks and the ability to take materials out of the library is limited to USDA employees.

Customers unable to visit the library may borrow materials from NAL by contacting their local library.

NAL Thesaurus

The Thesaurus broadly describes the subject scope of agriculture, with over 142,600 terms organized into seventeen categories. It is used primarily for indexing and to improve the retrieval of agricultural information. Its companion Glossary includes the definitions for over 6,330 agricultural terms. Both are available in English and Spanish.


For USDA employees only.
Review licensed journals, newspapers, databases, and directories in such subjects as agriculture, forestry, and allied fields, including government, economics, and business.

Information Centers

Tap into essential information focusing on specific aspects of agriculture through NAL's specialized information centers.

RSS Feeds

Receive focused, subject-specific news and updates without cluttering your inbox with e-mail messages. NAL offers five different RSS feeds.