Multidisciplinary online reference library, providing access to the full text of hundreds of highly regarded and popular titles, including handbooks, encyclopedias, dictionaries and more.
Please note: You may experience a "connection refused" error message. Refresh the browser and Credo will load correctly.
Chemical and physical science facts and property data about the structure and composition of substances; includes basic constants, conversion factors, etc.
The World Factbook provides information on the history, people, government, economy, geography, communications, transportation, military, and transnational issues for 267 world entities.