http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Nội dung sách gồm cuộc sống thật là đơn giản; một số văn bản quy phạm pháp luật tác động thường xuyên đến cuộc sống.
Constitutions,Hiến pháp,Administrative agencies,Cơ quan hành chính