Yamamura, Kozo. 1974. A Study of Samurai Income and Entrepreneurs hip. Cambridge, Mass.: Harvard University Press.
Yasuba, Yasukichi. 1986. «Sandard of Living in Japan Before Industrialization: From What Level Did Japan Begin? A Comments Journal of Economic History 46 (1): 217–224.
Young, Arthur. 1792. Travels in France and Italy during the Years 1787, 1788, 1780. London: W. Richardson.
Zaccagnini, Carlo. 1988. «On Prices and Wages at Nuzi». Altorientalische Forschungen 15 (1): 45–52.
Zelin, Madelaine. 1986. «The Rights of Tenants in Mid-Qing Sichuan: A Study of Land-Related Lawsuits in the Baxian Archives». Journal of Asian Studies 45 (3): 499–526.