Inquiry into the nature and causes of the wealth of nations Enquiry into the nature and causes of the wealth of nations Inquiry into the nature and causes of the wealth of nations. Inquiry into the nature and causese of the wealth of nations an inquiry into the nature and causes of the wealth of nations An inquiry into the nature and causes of the wealth of nations Inquiry into the nature and causes of the wealth nations An inquiry into the nature and causes of the wealth of Nations An inquiry into the nature and cause of the wealth of nations 并列题名：Inquiry into the nature and causes of the wealth of nations