To Thomas Jefferson from Gideon Granger, 19 April 1806
General Post Office April 19. 1806
I do hereby certify that no evil or inconvenience has arisen to the public from the employment of persons of colour to drive the mail stages on the post road from New York to Philadelphia by Col. Ward, so far as has come to my knowledge.
Gidn. Granger
Postmaster Genl
DLC: Papers of Thomas Jefferson.