Online Encyclopedia http://en.wikipedia.org/
Online Dictionary/Thesaurus http://dictionary.reference.com/
Online Primary Documents http://www.lib.washington.edu/subject/History/RUSA/
Online Primary Documents http://www.uidaho.edu/special-collections/Other.Repositories.html
Online Primary Documents http://www.archives.gov/
Online Primary Documents http://www.vatican.va/library_archives/vat_library/
The History Channel http://www.history.com/
Library of Congress http://www.loc.gov