Databases

JSTOR is an excellent resource for advanced research, particularly in the social sciences and humanities.

World Book is a general reference source that is a great starting point for a wide variety of research topics.

U.S. Major Dailies provides access to the country's five most respected national and regional newspapers in full-text format and offers users historic and current coverage of local, national, and global events. 

Gale in Context: High School covers a broad range of topics, people, places, and events in an engaging online experience to help high school students with papers, projects, and presentations.