- Biodiversity Heritage Library
(Free): A digital library containing primarily historical texts in the natural sciences.
- Google Scholar
(Free): Google Scholar provides a simple way to broadly search for scholarly literature.
(Free): Regional Cooperative Online Information System for Scholarly Journals from Latin America, the Caribbean, Spain and Portugal. For more details, visit http://en.wikipedia.org/
(Free): Includes more than 22 million citations for biomedical literature from MEDLINE, life science journals, and online books.
- Worldcat (Free) or WorldCat (OCLC FirstSearch): Combined search of thousands of library catalogs from around the world, including books, music, videos, and digital content records.
Exploratio is currently accepting English-language submissions from high school and undergraduate students. If you have recently completed research in a scientific or economic field and would like it considered for publication, please submit your work through the link below: