| Letterbook 1 | Aug. 11, 1754 - Dec. 25, 1755 | Letterbook 22 | Aug. 16, 1788 - Aug. 24, 1790 |
| Letterbook 2 | March 2 - Dec. 6, 1755 | Letterbook 23 | Aug. 26, 1790 - March 25, 1793 |
| Letterbook 3 | Dec. 25, 1755 - Sept. 18, 1756 | Letterbook 24 | April 3, 1793 - March 3, 1797 |
| Letterbook 4 | Sept. 19, 1756 - April 26, 1758 | Letterbook 25 | April 6, 1789 - March 4, 1791 |
| Letterbook 5 | April 27 - Dec. 30, 1758 | Letterbook 26 | Oct. 24, 1791 - Nov. 29, 1794 |
| Letterbook 6 | June 14, 1758 - Sept. 12, 1758 | Letterbook 27 | Dec. 3, 1794 - March 3, 1797 |
| Letterbook 7 | June 24, 1775 - March 13, 1776 | Letterbook 28 | June 8, 1789 - March 19, 1791 |
| Letterbook 8 | March 14 - July 14, 1776 | Letterbook 29 | July 12, 1790 - March 18, 1794 |
| Letterbook 9 | July 13, 1775 - Aug. 8, 1776 | Letterbook 30 | March 19, 1794 - Oct. 11, 1796 |
| Letterbook 10 | July 15 - Oct. 26, 1776 | Letterbook 31 | June 8, 1789 - Sept. 3, 1790 |
| Letterbook 11 | Feb. 28, 1778 - Feb. 5, 1785 | Letterbook 32 | Sept. 1, 1790 - Oct. 19, 1792 |
| Letterbook 12 | Feb. 5, 1785 - Feb. 27, 1786 | Letterbook 33 | March 15, 1791 - Nov. 14, 1795 |
| Letterbook 13 | March 5, 1786 - Jan. 23, 1787 | Letterbook 34 | Nov. 12, 1795 - Sept. 28, 1796 |
| Letterbook 14 | Feb. 11, 1787 - Feb. 22, 1788 | Letterbook 35 | May 9, 1789 - March 29, 1792 |
| Letterbook 15 | Feb. 22, 1788 - Nov. 14, 1788 | Letterbook 36 | March 29, 1792 - March 24, 1795 |
| Letterbook 16 | Nov. 17, 1788 - Oct. 3, 1790 | Letterbook 37 | March 27, 1795 - Dec. 10, 1796 |
| Letterbook 17 | May 5, 1789 - Sept. 7, 1791 | Letterbook 38 | April 18, 1789 - Aug. 17, 1790 |
| Letterbook 18 | Sept. 9, 1791 - March 30, 1794 | Letterbook 39 | June 25, 1790 - Nov. 13, 1793 |
| Letterbook 19 | March 31, 1794 - Oct. 1, 1795 | Letterbook 40 | Oct. 2, 1794 - March 28, 1797 |
| Letterbook 20 | Oct. 7, 1795 - Nov. 28, 1797 | Letterbook 41 | Journal Proceedings of the President, Jan. 5, 1793 - Feb. 21, 1797 |
| Letterbook 21 | Nov. 28, 1797 - Feb. 10, 1799 |