"Correspondence, letterbooks, commonplace books, diaries, journals, financial account books, military records, reports, and notes accumulated by Washington from 1741 through 1799."
"Digital library site that explores the interactions between Spain and the United States in America from the fifteenth to the early nineteenth centuries"
Papers dating from the 1750s and 1760s of the Pennsylvania-based “Friendly Association for Regaining and Preserving Peace with the Indians by Pacific Measures”