The geodatabase (1839-1913) has been built by Carlo Ciccarelli (University of Rome Tor Vergata) and Peter Groote (University of Groningen).
Data are available at http://bit.do/italianrailways
1) Ciccarelli, C. and Groote, P. (2017), "Railway Endowment in Italy’s Provinces, 1839-1913",
Rivista di Storia Economica, 33, 1, pp. 45-88
available at https://www.rivisteweb.it/doi/10.1410/86763
2) Ciccarelli, C. and Groote, P. (2018), "The spread of railroads in Italian provinces: a GIS approach",
Scienze Regionali - Italian Journal of Regional Science, forthcoming.
available at Scienze Regionali