AGRICOLA (AGRICultural OnLine Access) serves as the catalog and index to the collections of the National Agricultural Library, as well as a primary public source for world-wide access to agricultural information. The database covers materials in all formats and periods, including printed works from as far back as the 15th century.
GreenFILE covers the connections between the environment and a variety of disciplines such as agriculture, education, law, health and technology. This free research database offers indexing and abstracts for more than 806,000 records and open access full text for more than 12,000 records.
Library, Information Science & Technology Abstracts (LISTA) indexes more than 600 core journals and more than 80 selective journals. Coverage in this free research database extends as far back as the mid-1960s.
SocArXiv, open archive of the social sciences, provides a free, non-profit, open access platform for social scientists to upload working papers, preprints, and published papers, with the option to link data and code.