Letter from J.M. Southgate to William Tudor,

One letter requesting Tudor’s assistance with a financial transaction.

Letter from Henry Waddington, Jr., to William Tudor,

One letter requesting assistance with sending a sick American citizen back to the United States.

Letter from John White Webster to William Tudor,

Two letters thanking Tudor for sending Peruvian mineral specimens to Harvard and requesting he send additional mineral and fossils, as well as reports on other "natural phenomena" for publication.

Letter from Mr. Wheelwright to William Tudor,

Letter enclosed with correspondence to Tudor from the United States.

Letters from F. Lagos y Lemos,

Two letters in Spanish.

Letter from James L. Swett,

One letter sent from Valparaiso, Chile, noting the achievement of peace between Peru and Colombia, and the status of the presidency in Chile. Swett also writes regarding the prospects of the Chanca silver mine and offers updates on two of the other partners in the enterprise, Nixon and McCall.

Letter from Thomas Buckley & Co.,

One letter thanking Tudor for his assistance with Rio de Janeiro port authorities.

Chronological South American correspondence,

Four letters addressed to Tudor, one letter addressed to B. Llaveria. In Spanish.