Letters from Alfred Cobb to William Tudor,

Six letters reporting on communications with American merchants and naval officers, and various incidents involving American vessels. He also comments on the election of John Quincy Adams as president. Cobb includes copies of his correspodence with Lieutenant John Percival regarding the interception of Percival’s ship by Chilean Admiral Manuel Blanco Encalada.

Letters from Alfred Cobb to William Tudor,

Six letters, including copies of correspondence with Lieutenant John Percival and other officials regarding a demand for a "forced contribution" of one thousand dollars to a South American military officer. Also includes a letter and report on the condition of United States commerce in South America. Two letters are in Spanish.

Letter from Alfred S. Edwards to William Tudor,

One letter regarding a shipment of cargo in which Edwards refuses to grant an advance to Tudor, likely related to the silver mining enterprise.