Oxford Reference includes dictionaries, including authoritative dictionaries for many languages, encyclopedias, and companions, featuring more in-depth but still brief entries, e.g. Oxford Companion to Classical Civilization.
An excellent source for background information and getting started on a topic, CQ Researcher encompasses original, comprehensive reporting and analysis on issues in the news. It offers in-depth, unbiased coverage of political and social issues.
Covers a wide range of topics including: health, international affairs, education, the environment, technology, the U.S. economy, crime, and civil liberties.
Full text of working papers from university research institutes, occasional papers series from NGOs, foundation-funded research projects, proceedings from conferences, books, journals and policy briefs.
Updated on a bi-weekly basis, the CIA Factbook, give a quick snapshot of each nation's demography, economy, government, geography, and other sectors such as transportation, communication, transportation and military.
The Country Studies Series presents a description and analysis of the historical setting and the social, economic, political, and national security systems and institutions of countries throughout the world