AGRICOLA National Agriculture Library (NAL) Catalog; Agriculture, forestry and animal science 1989-present; NAL / USDA
Applied Science & Technology Full Text WilsonWeb database; Subjects in ASTA: Applied chemistry, computer technology, data processing, energy-related disciplines, engineering, mathematics, physics. Indexes more than 700 journals, for a total of 1.5 million articles indexed.
JSTOR Choice Outstanding site; Archives & provides full-image for more than 1,200 scholarly journals from their beginnings to the most recent 1 to 7 years (varies with vendor contracts). In short, this provides access to more than 3 million full-length scholarly articles.
Nature, Nature Archives Online Nature Archives coverage is 1987-1996, Nature is 1996 forward; full-text and full-image (PDF) files available; PDF files usually print better, but full-text files handle some types of graphics better.
Nature GeoScience Includes full-text and full-image (PDF) files available; PDF files usually print better, but full-text files handle some types of graphics better.
PsycINFO Comprehensive professional psychology index; abstracts of psychology literature since 1806; more than 2.2 million records; updated weekly.
ScienceDirect Elsevier; Full-text of 600+ science journals; also includes more than 100 social science journals.
Wiley Online Library Choice Highly Recommended site; Full-image of more than 1,500 journals. The new interface indicates which titles are journals and which are books. It also has a little icon of a padlock; if the padlock is open UTPB has access; if there is no padlock or the padlock is "closed" then UTPB does not have access.
Open Access Electronic Journals
There are three primary lists or directories that link to many academic (but some non-academic) free electronic journals.
Academic Search CompleteEbscoHost: Academic Search Complete is an aggregated / general database with indexing for more than 5,000 journals. It is best to restrict your search by selecting "Scholarly (Peer Reviewed) Journals."
Proquest Research Library General periodical index; contains citations and full-image materials for both academic [e.g. Ecology] and popular [e.g. Earthwatch] titles. Indexes more than 4000 titles; more than 2000 journals are full image files; slight but perceptible emphasis on social sciences including economics, business and education.