@inbook{NBERc3055,
 Crossref = "NBERkuzn53-1",
 title = "Average Levels of Income Shares, 1919-1938",
 author = "Simon Kuznets and Elizabeth Jenks",
 BookTitle = "Shares of Upper Income Groups in Income and Savings",
 Publisher = "NBER",
 pages = "1-31",
 year = "1953",
 URL = "http://www.nber.org/chapters/c3055",
}
@book{NBERkuzn53-1,
 title = "Shares of Upper Income Groups in Income and Savings",
 author = "Simon Kuznets and Elizabeth Jenks",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1953",
 URL = "http://www.nber.org/books/kuzn53-1",
}