Hanson, Earl Parker, 1899- Transformation: the story of modern Puerto Rico / by Earl Parker Hanson ; introduction by Chester Bowles. - New York: Simon and Schuster, 1955. - 416 p.: illus. ; 22 cm. Include index "We are merely realistic" Governor Luis Muñoz Marín. LCCN: 54009797 Subjects--Geographic Terms: Puerto Rico. LC Class. No.: 117 F 1958 / H251t 1955 Dewey Class. No.: 972.9505*