@inbook{NBERc3541,
 Crossref = "NBERgold73-1",
 title = "Appendix II Estimates of the Value of Land in the United States Held by Various Sectors of the Economy, Annually, 1952 to 1968",
 author = "Grace Milgram",
 BookTitle = "Institutional Investors and Corporate Stock -- A Background Study",
 Publisher = "UMI",
 pages = "343-377",
 year = "1973",
 URL = "http://www.nber.org/chapters/c3541",
}
@book{NBERgold73-1,
 title = "Institutional Investors and Corporate Stock -- A Background Study",
 author = "Raymond W. Goldsmith",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "UMI",
 year = "1973",
 URL = "http://www.nber.org/books/gold73-1",
}