"Ciencias Biologicas." . . "Science." . . "Évolution." . . "Evolution." . "Sciences." . . "Evolución." . . . . "Biological Evolution." . . . . . . . . "The World and man as science sees them" . "The world and man as science sees them : [bibliog.]"@en . . . . . . . . "The world and man as science sees them" . "The world and man as science sees them"@en . . . "The world and man, as science sees them" . . . . . . . . . . "The world and man : as science sees them" . . .