Documents in this collection trace U.S.-Panamanian relations during the Truman, Eisenhower, and Kennedy administrations. Issues relating to shipping and the significance of the Panama Canal during the Cold War include: “Panama Stymies Use of Her Flag in Vietminh Trade … A parallel situation exists in the trade with Red China” (September 1955); and “Ships Enroute to U.S. from Soviet or Satellite Ports” (October 1957). A letter to U.S. Ambassador Julian F. Harrington details “the possibility that the Conference on the Law of the Sea in 1960 would result in a general acceptance by the United States of a six-mile breadth of territorial sea” (April 1960). Other documents chart day-to-day aspects of the economy: a report on sugar production with tables on sugar production and consumption (June 1950); and an announcement by the Panamá Canal Company of a contract award for native lumber (August 1952).