The National Archives contains more than 10 billion documents, and they have collected thousands of those in the National Archives DOCSTeach site. After you have opened the above link, click on “Menu” on the upper left, and then “Documents.” In the “Keyword” box type in the subject you wish to research. Please remember that your topic should fall within the period of history covered by this course. Typical keywords might be something like Jefferson, American Revolution, Madison, Civil War, Lincoln or any number of topics.