Arthur Young (1792). “Travels During the Years 1787, 1788, and 1789: Undertaken More Particularly with a View of Ascertaining the Cultivation, Wealth, Resources, and National Prosperity of the Kingdom of France”, p.74
Arthur Young (1792). “Travels during the years 1787, 1788, and 1789: undertaken more particularly with a view of ascertaining the cultivation, wealth, resources, and national prosperity of the kingdom of France”, p.37
Arthur Young (1792). “Travels during the years 1787, 1788, and 1789: undertaken more particularly with a view of ascertaining the cultivation, wealth, resources, and national prosperity of the kingdom of France”, p.51