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To help protect the public from the spread of COVID-19, the National Agricultural Library (NAL) building is currently closed to the public.

We continue to serve our customers remotely during regular business hours. Online information products are always available at

USDA continues to monitor the situation closely. We will update the operating status of NAL public facilities on our website when it changes.

National Agricultural Library

The National Agricultural Library (NAL) is one of five national libraries of the United States.  It houses one of the world's largest collections devoted to agriculture and its related sciences.

Discover Our Gardening Legacy

The Library's Nursery and Seed Trade Catalog collection holds over 200,000 catalogs, representing 50 countries.

Browse the Collection

Online Resources


Search citations from two agricultural science databases: indexed journal articles and the NAL catalog.


Find full-text articles and citations to peer-reviewed journal articles in the agricultural sciences.

Ag Data Commons

Access open data relevant to agricultural research.

Digital Collections

Explore NAL collection materials available in digital format.

NAL Thesaurus

Browse an online vocabulary tool of agricultural terms in English and Spanish.

Invasive Species

Learn about invasive species that threaten the United States.

Uncover reliable resources on food, healthy eating, physical activity, and food safety.

LCA Commons

Find Federal life cycle assessment data, research, and information systems.

Staff Picks

Organic Roots Digital Collection

Interested in sustainable agriculture? Explore a collection of historic USDA documents published before 1942 containing information that could still be pertinent to today's farmers. 

NAL's Internet Archive Collection

Find digitized materials from NAL's collections including seed trade catalogs, USDA agency publications, and special agricultural topics.

Historical Dietary Guidance Digital Collection

Find more than 2,000 items in our online tool, the Historical Dietary Guidance Digital Collection.