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Authentication Code

Find the fields, subfields, notes, and product availability for the Authentication Code word (ac:) and phrase (ac=) indexes.

Word (ac:)

Connexion

Label ---
Search? ---
Browse? ---
Examples ---
Fields/Subfields ---
Qualifier index? ---
Notes

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FirstSearch and Collection Manager query collections

Label ---
Search? ---
Browse? ---
Examples ---
Fields/Subfields ---
Qualifier index? ---
Notes ---

WorldShare and WorldCat Discovery

Label ac:
Search? Ja
Browse? ---
Examples
  • ac:dlr
  • NOT ac:dlr
Fields/Subfields 042 a
Qualifier index? Nein
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].

WorldCat.org

Label ac:
Search? Ja
Browse? ---
Examples
  • ac:dlr
  • NOT ac:dlr
Fields/Subfields 042 a
Qualifier index? Nein
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

Label ac=
Search? Ja
Browse? ---
Examples
  • ac=dlr
  • not ac=dlr
Fields/Subfields 042 a
Qualifier index? Nein
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].
  • Performs an anchored phrase search.

FirstSearch and Collection Manager query collections

Label ac=
Search? Ja
Browse? ---
Examples
  • ac=dlr
  • not ac=dlr
Fields/Subfields 042 a
Qualifier index? Nein
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].
  • Performs an anchored phrase search.

WorldShare and WorldCat Discovery

Label ac=
Search? Ja
Browse? ---
Examples
  • ac=dlr
  • NOT ac=dlr
Fields/Subfields 042 a
Qualifier index? Nein
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].
  • Performs an anchored phrase search.

WorldCat.org

Label ac=
Search? Ja
Browse? ---
Examples
  • ac=dlr
  • NOT ac=dlr
Fields/Subfields 042 a
Qualifier index? Nein
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].
  • Performs an anchored phrase search.