Fenoaltea, Stefano. “The Fruits of Disaggregation: The Engineering Industry, Tariff Protection, and the Industrial Investment Cycle in Italy, 1861-1913”. PSL Quarterly Review 73, no. 292 (April 28, 2020): 77–110. Accessed December 23, 2024. https://rosa.uniroma1.it/rosa04/psl_quarterly_review/article/view/16638.