Letter from Nichols & Pierce to William Tudor,

One letter granting Tudor power of attorney for the firm.

Letter from O.P. Osterling to William Tudor,

One letter regarding payment of a balance by a Mendoza, possibly related to the Chanca silver mine.

Letters from Felix Oyarzabal to William Tudor,

Two letters referring to B. Llaveria, the agent associated with Tudor and the Chanca silver mine. In Spanish.

Letters from Jacinto Pacheco to William Tudor,

Three letters regarding the Chanca silver mine. In Spanish.

Letter from Rosa Ramirez de Parizo to William Tudor,

Copy of a letter, certified by Tudor, from Parizo in answer to Tudor’s inquiries relative to Madrid. In Spanish.

Letter from Francis Sales to William Tudor,

One letter regarding the travel and activities of Peruvian politician Manuel Lorenzo de Vidaurre, including an including an excerpt of correspondence from Vidaurre in French.

Letter from Leverett Saltonstall to William Tudor,

One letter of introduction for his brother-in-law, George Saunders.

Letter from E. Smith to William Tudor,

One letter seeking Tudor’s assistance in locating a man, with whom Smith was having a financial dispute, who was traveling to Lima.

Letter from J.M. Southgate to William Tudor,

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

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.

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.

Chronological South American correspondence,

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