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 Samuel L. Southard to William Tudor,

Four letters thanking Tudor for his diplomatic reports and various suggestions, and reporting that Tudor’s views on surveys and communications with the Navy’s Pacific Squadron "entirely concur with those of the Executive."