. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "authority file"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "A controlled vocabulary or official list that establishes, for consistency, the authoritative forms of headings, and the preferred terms or proper names to be used, when creating a catalogue or when indexing and searching a set of entities within a defined domain."@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .