@inbook{NBERc7443,
 Crossref = "NBERsmit80-1",
 title = "Long-Term Trends in American Wealth Inequality",
 author = "Jeffrey G. Williamson and Peter H. Lindert",
 BookTitle = "Modeling the Distribution and Intergenerational Transmission of Wealth",
 Publisher = "University of Chicago Press",
 pages = "9-94",
 year = "1980",
 URL = "http://www.nber.org/chapters/c7443",
}
@book{NBERsmit80-1,
 title = "Modeling the Distribution and Intergenerational Transmission of Wealth",
 author = "James D. Smith",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "1980",
 URL = "http://www.nber.org/books/smit80-1",
}