AgEcon Full text library of research in Agricultural and Applied Economics.
Agri2000 Bilingual Agricultural Virtual Library includes Agri2000 (the Agricultural megadata base for the Americas) plus four other international catalogs: AgNIC, Agrícola, AGRIS, and AgriCat, all accessible at one site.
AGRICOLA National Agricultural Library Online Public Access Catalog of records and Journal Article Citation Index; over 3 million bibliographic citations.
CiteSeer.IST Scientific literature digital library that can be used to search for documents and for citations by title, author, and subject. Provided by the School of Information Sciences and Technology, PennState and NEC Research Institute.
Copac Copac provides free access to the merged online catalogues of major UK and Irish university research libraries, plus the British Library & the National Library of Scotland.
EARD-Infosys+ EARD-InfoSys+ is the web-based Information System on European Agricultural Research for Development (ARD). It gathers data on European ARD organizations, funding, projects, training, experts, news and events.
Econpapers Search the world’s largest collection of online economics working papers, journal articles, and software.
MEDLINE National Library of Medicine search service to access the 15 million citations and biomedical articles back to the 1950s in MEDLINE and Pre-MEDLINE.
OAIster An easily searchable broad collection of freely available, previously difficult-to-access, academically-oriented digital resources provided by the research library community. Project of the Digital Library Production Service of the University of Michigan.