@inbook{NBERc9809,
 Crossref = "NBERfish00-1",
 title = "Introduction. Why Study the Origins of Workers' Compensation?",
 author = "Price V. Fishback and Shawn Everett Kantor",
 BookTitle = "A Prelude to the Welfare State: The Origins of Workers' Compensation",
 Publisher = "University of Chicago Press",
 pages = "1-7",
 year = "2000",
 month = "January",
 URL = "http://www.nber.org/chapters/c9809",
}
@book{NBERfish00-1,
 title = "A Prelude to the Welfare State: The Origins of Workers' Compensation",
 author = "Price V. Fishback and Shawn Everett Kantor",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "2000",
 URL = "http://www.nber.org/books/fish00-1",
}