Photograph taken for a story in the Daily Oklahoman newspaper. Caption: "Inventors of the telephone, television and automobile might be shocked, but there's one fellow around here who points to none other then the player piano as a symbol of American ingenuity, resourcefulness and intelligence."

Letter from Duke files District Traffic Manager of the Braniff International Airways regarding new flight schedules, a flight design specifically for businessmen who need to sleep on flights, new hours for their Ticket and Reservation Office and available flights to Buenos Aires, Argentina.

Letter from Isaac H. Kempner to Mr. and Mrs. Ellsworth Bunker thanking them for the maple syrup they sent him and his wife, and asking if they are still in Buenos Aires or if they went back to Vermont.

Letter from Ellsworth Bunker to I. H. Kempner discussing his move to Rome, Italy and the recent economics of the sugar industry.

Report discussing initial ventures in a joint project between the United States Atomic Energy Commission and the Comision Nacional de la Energía Atomica of Argentina (CNEA) to examine existing uranium deposits in Argentina and determine the best course for new prospecting programs. This document outlines the findings for specific locations visited in Argentina and their relative importance.

Letter from Ellsworth Bunker to I. H. Kempner discussing his potential transfer to Ambassador to Italy. Bunker provides travel advice in case the Kempners are still interested in visiting South America.

Letter from I. H. Kempner to Ellsworth Bunker discussing Bunker's nomination to ambassador to Rome, Italy. Kempner also discusses the recent economy and the sugar industry.

Letter from Ellsworth Bunker to I. H. Kempner discussing a possible trip to South America while Bunker is living in Buenos Aires.

Letter from I. H. Kempner to Ellsworth Bunker discussing Bunker's recent slating to be transferred to the U.S. Embassy in Rome, Italy.

Letter from I. H. Kempner to Stuart Godwin discussing the reasons for delaying his trip to South America.

Letter from Stuart Godwin to I. H. Kempner discussing the rates and reservations for Kempner's upcoming trip to South America.

Letter from Stuart Godwin to I. H. Kempner discussing the best flight schedules to Buenos Aires via the West and East Coasts.

Letter from I. H. Kempner to Stuart Godwin discussing the potential flight schedules for his trip to South America and the rates.

Letter from Moore-McCormack Lines, Inc. discussing documentary requirements for travelers to Argentina, Brazil, Trinidad, and Uruguay.

Letter from the Automobile Club of America to Daniel W. Kempner discussing Mr. Kempner's membership dues and informing him of updates to the club's services including the introduction of an international driver's license.