Edmund Burke (1790). “Reflections on the Revolution in France: And on the Proceedings in Certain Societies in London Relative to that Event. In a Letter Intended to Have Been Sent to a Gentleman in Paris”, p.208
Benjamin Franklin (1838). “The life of Benjamin Franklin: to which are added Essays by the same Author : Mit einem Wörterbuch ; Zum Schul- u. Privatgebrauch”, p.2