"Eastern Hemisphere" . . "Africa" . . "Europe" . . . "Holt McDougal" . . . . . . . . "Holt McDougal Eastern hemisphere" . "Holt McDougal Eastern hemisphere"@en . . . . . . . . . "Eastern hemisphere"@en . . . . "Eastern hemisphere" . . . . . . . . . . . . . . "Western Hemisphere" . . "Holt McDougal." . . "Asia" . .