"Earth (Planet)" . . "Earth." . . "Ziemia (planeta)." . . "Terra." . . . . . "The Earth : its shape, weight and spin"@en . . . . "The earth; its shape, size, weight and spin"@en . . "The earth; its shape, size, weight and spin" . . "The earth its shape, size, weight and spin"@en . "The earth : its shape, size, weight and spin" . "The earth : its shape, size, weight and spin"@en . . "The Earth. Its shape, size, weight and spin"@en . . . . . "The Earth : its shape, size, weight and spin" . "The Earth : its shape, size, weight and spin"@en . . . . . . . . . . . "The Earth, its shape, size, weight and spin, by J. H. Poynting" . . . . . "The earth, its shape, size, weight and spin"@en . . . . . . . .