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Authentication Code

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Find the fields, subfields, notes, and product availability for the Authentication Code word (ac:) and phrase (ac=) indexes.
Word (ac:)
  Connexion FirstSearch and Collection Manager query collections WorldShare and WorldCat Discovery
Label --- --- ac:
Search? --- --- Sí
Browse? --- --- ---
Ejemplos --- ---
  • ac:dlr
  • NOT ac:dlr
Fields/Subfields --- --- 042 a
Qualifier index? --- --- No
Notes --- ---
  • To limit a search by authentication code, enter ac:[code]
  • To exclude records by authentication code, enter not ac:[code] or NOT ac:[code]
Phrase (ac=)
  Connexion FirstSearch and Collection Manager query collections WorldShare and WorldCat Discovery
Label ac=
Search? Sí Sí Sí
Browse? --- --- ---
Ejemplos
  • ac=dlr
  • not ac=dlr
  • ac=dlr
  • not ac=dlr
  • ac=dlr
  • NOT ac=dlr
Fields/Subfields 042 a
Qualifier index? No
Notes
  • To limit a search by authentication code, enter ac=[code]
  • To exclude records by authentication code, enter not ac=[code] or NOT ac=[code]