REDAKTIONEN, .-. Thirtieth Annual Report of the Bureau of Statistics of Labor. March 1900. Boston. National√łkonomisk Tidsskrift, [S. l.], v. 3, 1901. Dispon√≠vel em: https://tidsskrift.dk/nationaloekonomisktidsskrift/article/view/58190. Acesso em: 20 jul. 2024.