ebrary - A collection of eBooks, electronic versions of printed books. 

• Using ebrary online books

Gale Virtual Reference Library - Reference sources covering a variety of subjects, including biography, education, law, history, medicine, science, and social science.

netLibrary - A collection of eBooks, electronic versions of printed books. Browse eBooks for quick research and reference or check them out and read them at your leisure.

• Using NetLibrary online books