http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Disability access in the national park system
oversight hearing before the Subcommittee on National Parks of the Committee on Resources, U.S. House of Representatives, One Hundred Ninth Congress, second session, Thursday, May 11, 2006
United States. Congress. House. Committee on Resources. Subcommittee on National Parks.