--subdivision Economic integration under names of regions larger than countries for works discussing the integration of the economies of a group of countries, e.g. Europe--Economic integration; and names of international organizations established to integrate the economies of various countries
Here are entered catalogs of materials held in two or more libraries. --subdivisions Union lists under types of printed or non-book materials, e.g. Italian imprints--Union lists; and Bibliography--Union lists under subjects, e.g. Technology--Bibliography--Union lists