Use Google Web Search to find additional Internet resources for U.S. History. To make your searches more effective, try using a site: search. You can use site: to look for webpages from a specific site or top-level domain (TLD).
For example, a search for site:.edu reformation will only return results containing reformation from .edu websites. Similarly, a search for site:www.gonzaga.edu history will only return results containing history from www.gonzaga.edu.