@inbook{NBERc5716,
 Crossref = "NBERunkn43-2",
 title = "Summary Of Sources",
 author = "Conference on Research in Income and Wealth",
 BookTitle = "Income Size Distributions in the United States, Part I ",
 Publisher = "NBER",
 pages = "34-67",
 year = "1943",
 URL = "http://www.nber.org/chapters/c5716",
}
@book{NBERunkn43-2,
 title = "Income Size Distributions in the United States, Part I ",
 author = "Conference on Research in Income and Wealth",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1943",
 URL = "http://www.nber.org/books/unkn43-2",
}