Skip To Main Content

header-container

header-top-container

district-home-nav

translate-container

district-nav

header-portals-nav

search-container

search-popup

header-bottom-container

logo-container

logo-image

logo-title

Breadcrumb

Research Resources

Open Source and Mostly Free Databases

Base Search (Bielefeld University Library) 

Directory of Open Access Journals - A community-curated online directory that indexes and provides access to open access, peer-reviewed journals.

Indiana University and Purdue Research Database

AGRICULTURE

https://www.nal.usda.gov/agricola

ECONOMICS

National Bureau of Economic Research 

Research Papers in Economics 

HEALTH

CogPrints - Psychology, Neuroscience, Linguistics, Computer Science, Philosophy, Biology, Medicine, and Anthropology.

MedlinePlus - U.S. National Library of Medicine.

PubMed Central (PMC) - U.S. National Institutes of Health's National Library of Medicine.

PubPsych - Open-access Psychology journals.

Legal

Findlaw 

Oyez 

SCIENCE

Analytical Digital Sciences Library

Papercity

PLOS 

SciElo - International science papers and research. 

Science.gov 

World Wide Science - Global science gateway to national and international scientific databases and portals.

HUMANITIES

CIA World Factbook–people, government, economy, geography, etc. for 265 world countries. 

Pew Research Institute–public about the issues, attitudes and trends 

United States Census Bureau–data about the people and economy of the United States

AND MORE

California State University Libguide of Open Source Databases