The library has specific resources just for your course.  Check out the following:

For Business Classes
Databases for Business
Research Guide for Business
Research Guide for Accounting
Research Guide for Business Law

For Communication Classes
Databases for Communications

For Criminal Justice Classes
Databases for Criminal Justice

For History Classes
Databases for History

For Math and Computer Classes
Databases for Math, Statistics, and Computer Science

For Psychology Classes
Databases for Psychology 
Research Guide for Psychology 

For Science Classes
Databases for Science

For Theology Classes
Databases for Theology
Research Guide for Theology