@inbook{b4c6fa3fb3e449959300ecb3ded52bf0,
title = "Tracking the 19th century railroad construction workforce in the United States: some preliminary considerations",
author = "Healey, \{Richard George\} and Johns, \{M. D. H.\}",
year = "2013",
language = "English",
isbn = "978-989-98659-6-9",
volume = "3",
pages = "433--448",
editor = "A. McCants and E. Beira and \{Lopes Cordeiro\}, \{J. M.\} and P. Lourenco",
booktitle = "Railroads in historical context",
publisher = "Foz Tua",
note = "Foz Tua International Conference ; Conference date: 11-10-2013 Through 13-10-2013",
}