LINGO LIBRARY · 16575An inquiry into the permanent causes of the decline and fall of powerful and wealthy nations : $b Designed to shew how the prosperity of the British empire may be prolonged✳Playfair, WilliamENB2 · EstimatedAn inquiry into the permanent causes of the decline and fall of powerful and wealthy nations : $b Designed to shew how the prosperity of the British empire may be prolongedPlayfair, William