When you are first starting a research project, or once you've already settled on a topic, background sources help to introduce you to key elements of your topic.
Definitions of major and relevant terms
Introduction to key issues in your topic area
What scholars have historically written as it relates to your topic
List of journals published by affiliated professional organizations.
A comprehensive collection of material about the Presidents of the United States and the history of the presidency. This website features essays about each President and their lives before, during, and after their presidential terms.
The World Factbook provides information on the history, people and society, government, economy, energy, geography, communications, transportation, military, and transnational issues for 267 world entities.