United States. Post Office Department

The N. B. Browne papers, 1845-1873, document the professional and personal affairs of nineteenth-century Philadelphia, Pennsylvania, businessman and public servant Nathaniel Borradaile Browne.

The letterbook of David Bigelow Parker consists of 494 pages of correspondence with two letters laid in covering the years 1876 to 1879. These letters were written by Parker in his capacity as Chief Special Agent, Division of Mail Depredations at the Post Office Department in Washington, D.C.