http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Estimates of the undocumented immigrant population residing in the United States
GPO Cataloging Record Distribution Program (CRDP).
Mode of access: Internet from the INS web site. Address as of 3/14/02:http://www.ins.gov/graphics/aboutins/statistics/illegalalien/illegal.pdf; current access is available via PURL.
System requirements: Adobe Acrobat Reader.