CQ Political Reference Suite
Online reference books from CQ Press, from the broad (Political Handbook of the World) to the specific (Encyclopedia of Water Politics and Policy in the US).
Includes: Guide to US Elections
CQ Electronic Library
All of Duke's Congressional Quarterly subscriptions--journals, databases, and encyclopedias--for analysis of Congressional actions and US political issues. Includes CQ Weekly, CQ Researcher, CQ Almanac, Voting & Elections, CQ Congress Collection, Political Handbook of the World, and more.
Oxford Reference Online: Politics & Social Sciences
Encyclopedias and dictionaries on economics, law, human rights, politics, statistics; guide to US government
The Oxford Handbook of Classics in Public Policy and Administration by 
