Letters from John Ponsonby to William Tudor,

Three letters regarding Buenos Aires news and politics, including his hope that General Juan Lavalle would end up "on a Gibbet." Also includes Ponsonby’s opinion of Manuel Dorrego and his execution.

Letters from Samuel L. Southard to William Tudor,

Four letters regarding topics including the trial of an unnamed seaman and thanking him for his ideas for facilitating relations with South American countries bordering the Pacific.

Letter from J.W. Ellery to William Tudor,

One letter regarding the detention of the ship Panther by the Brazilian government.