00626nam a2200133Ia 4500001000700000003000500007005001700012008004100029100002900070245016600099500012100265500005800386651004800444134949BIBL20160527192813.0931102|1939||||dcua ||||||||||1||eng|d1 aLong, Edward John2Local10aPuerto Ricobwatchdog of the Caribbean venerable domain under american flag has new role as West Indian stronhold and sentinel of the Panama CanalcE. John Long. aIn National Geographic. Publication for the year 1939. Washington, December, 1939. Illus. vol. 76-no. 6, p. 697-738. aIncludes Puerto Rico polychromes by Edwin L. Visherd. 0aPuerto RicoxDescription and travel.2Local