This site is a registry and results database of publicly and privately supported clinical studies of human participants conducted around the world. ClinicalTrials is maintained by the National Library of Medicine, National Institutes of Health, and the Department of Health and Human Services.

Access: Home, School, Work, All Libraries

Grade Level: 11-12+

College Navigator  locates information about 7,000 colleges and universities in the U.S. Search for a college based on many criteria and each profile offers includes programs offered, retention and graduation rates, aid available, campus safety, accreditation, and estimated student expenses. Designed by the U.S. Department of Education.

Access: Home, School, Work, All Libraries

Grade Level: 6-12+

Full-text research reports on the latest issues in business management and U.S. and global economics. Proprietary, non-biased research includes full-text coverage from 1995 to date. Check the Library Catalog for paper holdings.

Access: All Libraries

Grade Level: 12+

Corporate Capital Histories/Capital Changes

Research corporate histories and capital changes all the way back to the 1800s.  Stock splits, mergers, and takeovers.

To access this database, please call Customer Care at 918-549-7323 or visit to send an email request.  

Access: Only at Central

Grade Level: 9-12+