Database and Articles Indices

Database of the National Library of Agriculture
ArchiveGrid (Academy connection required)
Archival database from libraries, museums, and archives worldwide
ArticleFirst (Academy connection required)
An OCLC index of articles from the contents pages of journals
Biodiversity Heritage Library
Digitized legacy literature of biodiversity
BioOne available through Drexel University Library
Research journals in the biological, ecological, and environmental sciences
CAMIO (Academy connection required)
An OCLC Catalog of Art Museum Images Online
Clase and Periódica (Academy connection required)
An OCLC index of Latin American journals in the sciences and humanities
Directory of Open Access Journals
Open Access index to scientific and scholarly journals
Electronic Books (Academy connection required)
An OCLC collection of online electronic books available through libraries worldwide
Search engine for NCBI (National Center for Biotechnology Information) databases
GeoRef available through Drexel University Library
Materials in geology and earth sciences
GPO Federal Digital System (FDsys)
Free online access to U.S. Government Publications
JSTOR: Botany, Ecology and Biology journals available through Drexel University Library
Over one-thousand multidisciplinary academic journals
JSTOR: Global Plants (Academy connection required)
Over two million high-resolution plant type specimens and related materials
Kew Royal Botanic Garden Databases
Kew's collection databases, plant name resources and world checklists
IUCN Red List of Threatened Species
Assessments of over 70,000 species and with each species account showing background documentation
MInd: The Meetings Index (InterDok)
Material from 280,000+ conferences, congresses, meetings & symposia
The National Academies Press
Reports published by the National Academies Press available as free downloads for personal use
OCLC Union catalog of open access digital resources
Directory of academic open access repositories
Repository of theses and dissertations
PapersFirst (Academy connection required)
OCLC index of papers presented at conferences worldwide
Pensoft Publishers Journal Archive
Open Access journals from Pensoft Publishers
ProceedingsFirst (Academy connection required)
OCLC index of worldwide conference proceedings
U. S. National Library of Medicine database containing biomedical literature from MEDLINE, life science journals, and online books
Royal Society Journal Archive
Royal Society Journal Archive offering free access to articles more that 70 years old
TL-2, Vol. 1 and TL-2, Suppl I
Taxonomic Literature, 2nd ed., of the International Association for Plant Taxonomy, available through the Biodiversity Heritage Library
Toxic substances information, maintained by the National Library of Medicine
USGS Water-Data Reports
Annual water-data reports from each state
Versita Open
Versita was established in 2001 as Central European Science Journals
Water resources planning, management and economics
Books and other materials in libraries worldwide
Global scientific database search engine maintained by the Office of Scientific and Technical Information (OSTI)
Zoological Record, 1864-present (Academy connection required)
Worldwide coverage of Zoological literature