Index of educational literature and published works, from multiple formats and disciplines.

Sweet Search has multiple search engines for different topics like science, social studies, biographies and history.

Wolfram Alpha is a computational knowledge engine. Think of it as Google for Math. Check out these examples of what it can do.

Additional Resources

• Google Books (Great for finding citation sources)

• Google Image Search

• American Memory (Library of Congress – Topic: History)

• Common Errors In English Usage