Nicole Stoops, Frank Hobbs, Demographic Trends in the Twentieth Century. Census 2000 Special Reports.Superintendent of Documents, U.S. Government Printing Office, Mail Stop SSOP, Washington, DC 20402-0001. Tel: 202-512-1800; Tel: 866-512-1800 (Toll Free); Fax: 202-512-2250; Web site: http://www.bookstore.gpo.gov.. ,(2002)