WorldCat is a database, which contains records of materials in libraries across the country, libraryusers can find books, eBooks, videos, DVDs, magazine articles and other items in libraries everywhere.

ECO is a database of articles from scholarly journals. Including,

ArticleFirst is an index of articles from the content pages of journals.

ERIC provides leading articles on educational topics.

Wilson Select Plus provides many full-text articles on arrange of topics.

World Almanac which includes the Funk & Wagnall's New Encyclopedia and four almanacs.