http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Office of the National Park Service Liaison to the White House.
volumes : illustrations, maps ; 28 x 43 cm
Issue for 2009-2012 published as a triennial.
Developed by: Office of the NPS Liaison to the White House, <2004-2008->