http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Circular of information concerning census publications, 1790-1916
At head of title: Department of Commerce, Bureau of the Census, Sam L. Rogers, Director.
"All thirteenth Census (1910) statistics for individual States and outlying Territories are contained in the State Supplements to the Abstract of the Thirteenth Census."