@inbook{NBERc6896,
 Crossref = "NBERbord98-1",
 title = "Spurts in Union Growth: Defining Moments and Social Processes",
 author = "Richard B. Freeman",
 BookTitle = "The Defining Moment: The Great Depression and the American Economy in the Twentieth Century",
 Publisher = "University of Chicago Press",
 pages = "265-296",
 year = "1998",
 month = "January",
 URL = "http://www.nber.org/chapters/c6896",
}
@book{NBERbord98-1,
 title = "The Defining Moment: The Great Depression and the American Economy in the Twentieth Century",
 author = "Michael D. Bordo and Claudia Goldin and Eugene N. White",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "1998",
 URL = "http://www.nber.org/books/bord98-1",
}