Agricola This link opens in a new windowA bibliographic database of citations to the agricultural literature created by the National Agricultural Library and its cooperators. Covers materials in all formats, including printed works from the 15th century. Encompasses all aspects of agriculture and allied disciplines, including animal and veterinary sciences, entomology, plant sciences, forestry, aquaculture and fisheries, farming, agricultural economics, food and human nutrition, and earth and environmental sciences. Many citations are linked to online full-text documents.