"Paleontologia." . . "Pueblos prehistóricos." . . . . . "Prehistoric world" . "Prehistoric world"@en . . . "Juvenile works"@en . . . . . . . "Examines plant and animal communities throughout the prehistoric eras, showing how living things adapt to their surroundings and stressing the way in which all are linked to each other."@en . "De prehistorische wereld" . . . "De ontwikkeling van het leven op aarde vanaf de eerste levensvormen tot en met de primitieve mens." . . . . . "Prehistoric World" . . . . . .