1. The great divergence in European wages and prices from the Middle Ages to the First World War;Allen;Explor Econ Hist,2001
2. The rise and fall of Spain (1270–1850);Álvarez-Nogal;Econ Hist Rev,2013
3. American bullion in the European world trade 1600–1800;Attman;Acta Regiae Societatis Scientiarum Et Litterarum Gothoburgensis: Humaniora,1986
4. The Hidden Galleon;Amrhein,2007
5. World bullion flows, 1450–1800;Barrett,1990