@inbook{NBERc5422,
 Crossref = "NBERshaw47-1",
 title = "Front matter to "Value of Commodity Output Since 1869"",
 author = "William Howard Shaw",
 BookTitle = "Value of Commodity Output Since 1869",
 Publisher = "NBER",
 year = "1947",
 URL = "http://www.nber.org/chapters/c5422",
}
@book{NBERshaw47-1,
 title = "Value of Commodity Output Since 1869",
 author = "William Howard Shaw",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1947",
 URL = "http://www.nber.org/books/shaw47-1",
}