Agricola (National Agricultural Library) This link opens in a new windowContains over 5,200,000 bibliographic records from the U.S. Department of Agriculture's National Agricultural Library, providing access to citations of journal articles, journals, books, book chapters, short reports, documents, theses, and audiovisuals. Journal article citation records include abstracts. Scope includes records on “all aspects of agriculture and allied disciplines, including animal and veterinary sciences, entomology, plant sciences, forestry, aquaculture and fisheries, farming and farming systems, agricultural economics, extension and education, food and human nutrition, and earth and environmental sciences.”