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

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

FirstSearch and Collection Manager query collections

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

WorldShare and WorldCat Discovery

Label	ac:
Search?	Yes
Browse?	---
Examples	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].

WorldCat.org

Label	ac:
Search?	Yes
Browse?	---
Examples	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

Label	ac=
Search?	Yes
Browse?	---
Examples	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]. Performs an anchored phrase search.

FirstSearch and Collection Manager query collections

Label	ac=
Search?	Yes
Browse?	---
Examples	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]. Performs an anchored phrase search.

WorldShare and WorldCat Discovery

Label	ac=
Search?	Yes
Browse?	---
Examples	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]. Performs an anchored phrase search.

WorldCat.org

Label	ac=
Search?	Yes
Browse?	---
Examples	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]. Performs an anchored phrase search.