@inbook{NBERc4971,
 Crossref = "NBERkuzn54-1",
 title = "Front matter, preface, table of contents",
 author = "Simon Kuznets and Ernest Rubin",
 BookTitle = "Immigration and the Foreign Born",
 Publisher = "NBER",
 year = "1954",
 URL = "http://www.nber.org/chapters/c4971",
}
@book{NBERkuzn54-1,
 title = "Immigration and the Foreign Born",
 author = "Simon Kuznets and Ernest Rubin",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1954",
 URL = "http://www.nber.org/books/kuzn54-1",
}