Demographic components of population change of counties, April 1, 1990 to July 1, 1996 includes revised April 1, 1990 census population counts. by United States. Bureau of the Census

Subjects: “…Population Dynamics United States statistics…”

Monthly vital statistics report : provisional statistics from the National Center for Health Statistics. by National Center for Health Statistics (U.S.), United States. National Office of Vital Statistics, United States. National Vital Statistics Division, United States. Public Health Service

“…United States Statistics, Vital Periodicals.…”