Passports, 1827, membership certificates, receipts, family letters, and 20 letters to La Roche from Thomas Dunn and Ayres Phillips Merrill on scientific, medical, and personal topics.

This is miscellaneous material relating to postal affairs, including Hazard's appointments in the service, and certificates of membership in various institutions. There are letters from Richard Bache, George Clinton, Benjamin Franklin, John Hancock, Samuel Huntington, Thomas Jefferson, Timothy Matlack, Samuel Miller, George Washington, and others. One manuscript is endorsed, "My Covenant with the most high God," which is Hazard's reaffirmation of the vows made for him by his parents at the time of his baptism.