"Zukunft." . . "Zivilisation." . . "Civilisation 1950-" . . "Décadence." . . "Régression (Civilisation)" . . "Since 1950" . . . . "Regresión (Civilización)" . . . . . . . "An inquiry into the human prospect" . . . . "An inquiry into the human prospect : Updated and reconsidered for the 1980s" . . "An inquiry into the human prospect updated and reconsidered for the 1980s" . "An inquiry into the human prospect updated and reconsidered for the 1980s"@en . . . . . . "An Inquiry into the human prospect : updated and reconsidered for the 1980s" . . . . . . . . . . "An inquiry into the human prospect : updated and reconsidered for the 1980s" . .