@inbook{NBERc5700,
 Crossref = "NBERunkn46-2",
 title = "PART NINE Family Income and the Income Tax Base ",
 author = "Albert Gailord Hart and Julius Lieblien",
 BookTitle = "Studies in Income and Wealth",
 Publisher = "NBER",
 pages = "235-262",
 year = "1946",
 URL = "http://www.nber.org/chapters/c5700",
}
@book{NBERunkn46-2,
 title = "Studies in Income and Wealth",
 author = "Milton Gilbert, Chairman, Editing committee and Dorothy Brady, Editing committee and Simon Kuznets, Editing committee",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1946",
 URL = "http://www.nber.org/books/unkn46-2",
}