A very nice route map of Pan Am from US and South America gateweay cities to and across the Caribbean.  The distances are noted between destinations.  Interesting historical facts are provided for a number of destination cities and other locations.  This pictorial map was likely created prior to Fidel Castro fully taking power in Cuba, given PanAm service being shown to Cuba -- so, between 1953 (DC-7 introduced) and 1961 (US severed relationships with Cuba).  DC-7 is shown by cartouche.