AGRICOLA (AGRICultural OnLine Access) is an article citation database from the USDA National Agricultural Library. There is some full text links to the articles in the database.
arXiv is a free distribution service and an open-access archive for 2,328,899 scholarly articles in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering and systems science, and economics
JSTOR is a digital library of academic content in many formats and disciplines. The collections include top peer-reviewed scholarly journals, respected literary journals, research reports from trusted institutes, ebooks, and diverse primary sources.
JSTOR contains the full-text of more than 2,300 journals from 1,000 publishers, with publication dates ranging from 1665 to 2023 (for certain titles). Journals are available in more than 60 disciplines in the humanities, social sciences, and sciences and mathematics.
JSTOR includes more than two million primary sources across four collections:
• 19th Century British Pamphlets
• Struggles for Freedom: Southern Africa
• World Heritage Sites: Africa
• Global Plants
