@inbook{NBERc6970,
 Crossref = "NBERgold92-1",
 title = "The Profitability of Early Canadian Railroads: Evidence from the Grand Trunk and Great Western Railway Companies",
 author = "Ann M. Carlos and Frank Lewis",
 BookTitle = "Strategic Factors in Nineteenth Century American Economic History: A Volume to Honor Robert W. Fogel",
 Publisher = "University of Chicago Press",
 pages = "401-426",
 year = "1992",
 month = "January",
 URL = "http://www.nber.org/chapters/c6970",
}
@book{NBERgold92-1,
 title = "Strategic Factors in Nineteenth Century American Economic History: A Volume to Honor Robert W. Fogel",
 author = "Claudia Goldin and Hugh Rockoff",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "1992",
 URL = "http://www.nber.org/books/gold92-1",
}