http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Projections of the population of voting age for states
U.S. Department of Commerce, Bureau of the Census.
Current population reports. Series P-25, Population estimates and projections
Estimates of the civilian population of voting age, for states
Supt. of Docs., U.S. Govt. Print. Off., Washington, D.C. 20402