Letter from Robert Hanson Harrison. Requesting him to transmit to His Excellency a return of the number of express employed in service.; American Philosophical Society
Encloses a paper [not present] [regarding a demand for fulfilling previous agreements for a prisoner exchange] that Lt. Col. [William] Walcott delivered to Lt. Col. [Robert Hanson] Harrison, and which the latter "did not think proper to receive."
Letter from Robert Hanson Harrison. Introducing the bearer, Daniel Halsey, an old soldier, who has a strong desire to become one of his expresses.; American Philosophical Society
A broadside on the Battle of Brandywine that prints two letters, one from Robert Harrison and the other from George Washington.; American Philosophical Society
Letter from Robert Hanson Harrison to Nathanael Greene. Desiring to know whether the horses are ready for the officers going to Egg Harbor. If not, wishes them sent to New Windsor. Desires the express with the duplicate dispatches to be sent to General Sullivan.; American Philosophical Society