"Correspondence, letterbooks, commonplace books, diaries, journals, financial account books, military records, reports, and notes accumulated by Washington from 1741 through 1799."
"Correspondence and other writings of six major shapers of the United States": George Washington, Benjamin Franklin, John Adams (and family), Thomas Jefferson, Alexander Hamilton, and James Madison.
Numerous drawings, printed book illustrations, and other visual primary source materials from the period of American Revolution to the early U.S. history.