Library of Congress indexes and indexed fields

Agency Control Number

Numeric (nba:)

Label	nba:
Search?	Yes
Browse?	No
Example	nba:
Fields/Subfields	016 a
Notes	Not available in Connexion

A C D E G I K L N P R S T

C

Cartographic Data

Word (cm:)

Label	cm:
Search?	Yes
Browse?	No
Example	cm:
Fields/Subfields	034 d e f g z
Notes

Cataloging Source

Word (cs:)

Label	cs:
Search?	Yes
Browse?	No
Example	cs:eng
Fields/Subfields	040 a c d
Notes

Children's Subjects

Word (sj:)

Label	sj:
Search?	Yes
Browse?	No
Example	sj:poetry
Fields/Subfields	100 a b c d e f g h j k l m n o p q r s t v x y z 110 a b c d e f g h j k l m n o p q r s t v x y z 111 a b c d e f g h j k l m n o p q r s t v x y z 130 a b c d e f g h j k l m n o p q r s t v x y z 150 a b c d e f g h j k l m n o p q r s t v x y z 151 a b c d e f g h j k l m n o p q r s t v x y z 400 a b c d e f g h j k l m n o p q r s t v x y z 410 a b c d e f g h j k l m n o p q r s t v x y z 411 a b c d e f g h j k l m n o p q r s t v x y z 430 a b c d e f g h j k l m n o p q r s t v x y z 450 a b c d e f g h j k l m n o p q r s t v x y z 451 a b c d e f g h j k l m n o p q r s t v x y z 500 a b c d e f g h j k l m n o p q r s t v x y z 510 a b c d e f g h j k l m n o p q r s t v x y z 511 a b c d e f g h j k l m n o p q r s t v x y z 530 a b c d e f g h j k l m n o p q r s t v x y z 550 a b c d e f g h j k l m n o p q r s t v x y z 551 a b c d e f g h j k l m n o p q r s t v x y z
Notes

Control Number

Numeric (ar:)

Label	ar:
Search?	Yes
Browse?	No
Example	ar:10998406
Fields/Subfields	001 019
Notes

Corporate/Conference Names

Word (co: or cn:)

Label	co: or cn:
Search?	Yes
Browse?	No
Example	cn:caedmon co:canadian
Fields/Subfields	046 q r 110 a b c d e g i n 111 a c d e g i j n q 151 a 410 a b c d e g i n 411 a c d e g i j n q 451 a 510 a b c d e g i n 511 a c d e g i j n q 551 a
Notes

A C D E G I K L N P R S T

D

Descriptive Conventions

Word (dx:)

Label	dx:
Search?	Yes
Browse?	No
Example	dx:rda
Fields/Subfields	040 e
Notes

A C D E G I K L N P R S T

E

Entity Attributes

Word (en:)

Label	en:
Search?	Yes
Browse?	No
Example	en:arranged
Fields/Subfields	046 f g k l o p q r s t 075 a b 348 a b 368 a b c d s t 370 a b c e f g s t 371 a b c d e m s t z 372 a s t 373 a s t 374 a s t 375 a s t 376 a b c s t 377 a l 378 q 380 a 381 a 382 a b d p v 383 a b c d e 384 a 385 a b m n 386 a b m n 388 a
Notes

Established Heading Linking Entry Phrase: $0

Numeric (ls0=)

Label	ls0=
Search?	Yes
Browse?	No
Example	ls0=
Fields/Subfields	7xx 0
Notes	Not available in Connexion

Established Heading Linking Entry Phrase: Corporate/Conference

Phrase (lcn=)

Label	lcn=
Search?	No
Browse?	Yes
Example	lcn=
Fields/Subfields	710 a b c d e g n 711 a c d e g j n q
Notes	Not available in Connexion

Established Heading Linking Entry Phrase: Geographic Name

Phrase (lge=)

Label	lge=
Search?	No
Browse?	Yes
Example	lge=
Fields/Subfields	751 a g v x y z
Notes	Not available in Connexion

Established Heading Linking Entry Phrase: Personal Name

Phrase (lpn=)

Label	lpn=
Search?	No
Browse?	Yes
Example	lpn=
Fields/Subfields	700 a b c d e g j q
Notes	Not available in Connexion

Established Heading Linking Entry Phrase: Subdivision Linking Entry

Numeric (lsb=)

Label	lsb=
Search?	Yes
Browse?	Yes
Example	lsb=
Fields/Subfields	780 v x y z 781 v x y z 782 v x y z 785 v x y z
Notes	Not available in Connexion

Established Heading Linking Entry Phrase: Uniform Title

Phrase (lti=)

Label	lti=
Search?	No
Browse?	Yes
Example	lti=
Fields/Subfields	730 a d f g h k l m n o p r s t
Notes	Not available in Connexion

Established Heading Linking Entry Words: $0

Word (ls0:)

Label	ls0:
Search?	Yes
Browse?	No
Example	ls0:caoonl-1010e4696f
Fields/Subfields	7xx 0
Notes	Not available in Connexion

Established Heading Linking Entry Words: Corporate/Conference Name

Word (lcn:)

Label	lcn:
Search?	Yes
Browse?	No
Example	lcn:yellowfish
Fields/Subfields	710 a b c d e g n 711 a c d e g j n q
Notes	Not available in Connexion

Established Heading Linking Entry Words: Geographic Name

Word (lge:)

Label	lge:
Search?	Yes
Browse?	No
Example	lge:laurentides
Fields/Subfields	751 a g v x y z
Notes	Not available in Connexion

Established Heading Linking Entry Words: Personal Name

Word (lpn:)

Label	lpn:
Search?	Yes
Browse?	No
Example	lpn:zungu
Fields/Subfields	700 a b c d e g j q
Notes	Not available in Connexion

Established Heading Linking Entry Words: Uniform Title

Word (lti:)

Label	lti:
Search?	Yes
Browse?	No
Example	lti:zokufunda
Fields/Subfields	730 a d f g h k l m n o p r s t
Notes	Not available in Connexion

A C D E G I K L N P R S T

G

Genre

Word (gn:)

Label	gn:
Search?	Yes
Browse?	No
Example	gn:novel
Fields/Subfields	155 a v x y z 455 a v x y z 555 a v x y z 755 a v x y z
Notes

Genre Phrase

Phrase (gn=)

Label	gn=
Search?	No
Browse?	Yes
Example	gn=spanish literature
Fields/Subfields	155 a v x y z 455 a v x y z 555 a v x y z 755 a v x y z
Notes

Geographic Names

Word (ge:)

Label	ge:
Search?	Yes
Browse?	No
Example	ge:madrid
Fields/Subfields	151 a g v x y z 181 v x y z 451 a g v x y z 481 v x y z 551 a g v x y z 581 v x y z 781 v x y z
Notes

Geographic Phrase

Phrase (ge=)

Label	ge=
Search?	No
Browse?	Yes
Example	ge=capetown
Fields/Subfields	151 a g v x y z 181 v x y z 451 a g v x y z 481 v x y z 551 a g v x y z 581 v x y z 781 v x y z
Notes

Global Corporate Words

Word (wco: or wcn:)

Label	wco: or wcn:
Search?	Yes
Browse?	No
Example	wco:canadian wcn:caedmon
Fields/Subfields	110 a b c d e g l n 111 a c d e g i j n q 151 a 410 a b c d e g l n 411 a c d e g i j n q 451 a 510 a b c d e g l n 511 a c d e g i j n q 551 a
Notes	Allows the use of diacritics Not available in Connexion

Global Entity Attributes

Word (wen:)

Label	wen:
Search?	Yes
Browse?	No
Example	wen:zambia
Fields/Subfields	046 f g k l q r s t 348 a b 368 a b c 370 a b c e f g s t 371 a b c d e m s t z 372 a s t 373 a s t 374 a s t 375 a s t 376 a b c d s t 377 a l 378 q 380 a 381 a 384 a 382 a b d p v 383 a b c d e 385 a b m n 386 a b m n 388 a
Notes	Allows the use of diacritics Not available in Connexion

Global Established Heading Linking Entry Phrase: Corporate/Conference

Word (wlco=)

Label	wlco=
Search?	No
Browse?	Yes
Example	wlco=herdman hills & mangsen
Fields/Subfields	710 a b c d e g n 711 a c d e g j n q
Notes	Allows the use of diacritics Not available in Connexion

Global Established Heading Linking Entry Phrase: Geographic Name

Word (wlge=)

Label	wlge=
Search?	No
Browse?	Yes
Example	wlge=capetown
Fields/Subfields	751 a g v x y z
Notes	Allows the use of diacritics Not available in Connexion

Global Established Heading Linking Entry Phrase: Personal Name

Word (wlph=)

Label	wlph=
Search?	No
Browse?	Yes
Example	wlph=brooks, gwendolyn
Fields/Subfields	700 a b c d e g j q
Notes	Allows the use of diacritics Not available in Connexion

Global Established Heading Linking Entry Phrase: Subdivision Linking Entry

Word (wlsb=)

Label	wlsb=
Search?	No
Browse?	Yes
Example	wlsb=associated conditions
Fields/Subfields	780 v x y z 781 v x y z 782 v x y z 785 v x y z
Notes	Allows the use of diacritics Not available in Connexion

Global Established Heading Linking Entry Phrase: Uniform Title

Word (wlti=)

Label	wlti=
Search?	No
Browse?	Yes
Example	wlti=selected poems 1930-1972
Fields/Subfields	730 a d f g h k l m n o p r s t
Notes	Allows the use of diacritics Not available in Connexion

Global Established Heading Linking Entry Words: Corporate/Conference Name

Word (wlco:)

Label	wlco:
Search?	Yes
Browse?	Yes
Example	wlco:yellowfish
Fields/Subfields	710 a b c d e g n 711 a c d e g j n q
Notes	Allows the use of diacritics Not available in Connexion

Global Established Heading Linking Entry Words: Geographic Name

Word (wlge:)

Label	wlge:
Search?	Yes
Browse?	Yes
Example	wlge:laurentides
Fields/Subfields	751 a g v x y z
Notes	Allows the use of diacritics Not available in Connexion

Global Established Heading Linking Entry Words: Personal Name

Word (wlpn:)

Label	wlpn:
Search?	Yes
Browse?	Yes
Example	wlpn:zungu
Fields/Subfields	700 a b c d e g j q
Notes	Allows the use of diacritics Not available in Connexion

Global Established Heading Linking Entry Words: Uniform Title

Word (wlti:)

Label	wlti:
Search?	Yes
Browse?	Yes
Example	wlti:zokufunda
Fields/Subfields	730 a d f g h k l m n o p r s t
Notes	Allows the use of diacritics Not available in Connexion

Global Geographic Words

Word (wge:)

Label	wge:
Search?	Yes
Browse?	No
Example	wge:aachen
Fields/Subfields	151 a g v x y z 181 v x y z 451 a g v x y z 481 v x y z 551 a g v x y z 581 v x y z 781 v x y z
Notes	Allows the use of diacritics Not available in Connexion

Global Keyword

Word (wkw:)

Label	wkw:
Search?	Yes
Browse?	No
Example	wkw:9originaire
Fields/Subfields	All variable fields and all subfields
Notes	Allows the use of diacritics Not available in Connexion

Global Notes

Word (wnt:)

Label	wnt:
Search?	Yes
Browse?	No
Example	wnt:abnormally
Fields/Subfields	663 a b t 6 8 664 a b t 665 a 666 a 667 a 670 a b u 672 a b f 673 a b f 675 a 677 a u 678 a b u 680 a i 681 a i 682 a i 688 a
Notes	Allows the use of diacritics Not available in Connexion

Global Personal Name Words

Word (wpn:)

Label	wpn:
Search?	Yes
Browse?	No
Example	wpn:aach
Fields/Subfields	100 a b c d e g i j q 400 a b c d e g i j q 500 a b c d e g i j q
Notes	Allows the use of diacritics Not available in Connexion

Global Relationship

Word (wrx:)

Label	wrx:
Search?	Yes
Browse?	No
Example	wrx:book
Fields/Subfields	100 e j 110 e 111 j 370 i 4 371 4 386 i 4 400 e i j 4 410 e i 4 411 i j 4 430 i 4 450 i 4 451 i 4 455 i 4 462 i 4 480 i 4 481 i 4 482 i 4 485 i 4 500 e i j 4 510 e i 4 511 i j 4 530 i 4 550 i 4 551 i 4 555 i 4 562 i 4 580 i 4 581 i 4 582 i 4 585 i 4 700 e i j 4 710 e i 4 711 i j 4 730 i 4 747 i 4 748 i 4 750 i 4 751 i 4 755 i 4 762 i 4 780 i 4 781 i 4 782 i 4 785 i 4 788 i 4
Notes	Allows the use of diacritics Not available in Connexion

Global Subject Words

Word (wsu:)

Label	wsu:
Search?	Yes
Browse?	No
Example	wsu:abalone
Fields/Subfields	150 a b g v x y z 450 a b g v x y z 550 a b g v x y z
Notes	Allows the use of diacritics Not available in Connexion

Global Title Words

Word (wti:)

Label	wti:
Search?	Yes
Browse?	No
Example	wti:9th
Fields/Subfields	100 f g h k l m n o p r s t 110 d f g h k l n o p s t 111 d f g h k l n p s t 130 a b f g h k l m n o p r s t 400 f g h k l m n o p r s t 410 d f g h k l n o p s t 411 d f g h k l n p s t 430 a b f g h k l m n o p r s t 500 f g h k l m n o p r s t 510 d f g h k l n o p s t 511 d f g h k l n p s t 530 a b f g h k l m n o p r s t 672 a b f 673 a b f
Notes	Allows the use of diacritics Not available in Connexion

A C D E G I K L N P R S T

I

ISBN

Numeric (bn:)

Label	bn:
Search?	Yes
Browse?	No
Example	bn:085109130x
Fields/Subfields	020 a x
Notes

ISSN

Numeric (in:)

Label	in:
Search?	Yes
Browse?	No
Example	in:0018-165x
Fields/Subfields	022 a y z
Notes

ISSN-L

Numeric (ik:)

Label	ik:
Search?	Yes
Browse?	No
Example	ik:0264-2875
Fields/Subfields	022 l m
Notes

A C D E G I K L N P R S T

K

Keyword

Word (kw:)

Label	kw:
Search?	Yes
Browse?	No
Example	kw:aeronautics
Fields/Subfields	All variable fields and subfields
Notes

A C D E G I K L N P R S T

L

LCCN

Numeric (ln:)

Label	ln:
Search?	Yes
Browse?	No
Example	ln:2005921149
Fields/Subfields	010 a z 667 a
Notes	Indexing field 667 helps catalogers identify the history of personal names previously in undifferentiated authority records and subsequently established as separate authority records, using unique control records with 667 fields that contain the word "undifferentiated." No textual data in the 667 field is indexed. The system does not compare or verify the LCCNs in field 667 in field 010.

A C D E G I K L N P R S T

N

Notes

Word (nt:)

Label	nt:
Search?	Yes
Browse?	No
Example	nt:letterpress
Fields/Subfields	663 a b t 6 8 664 a b t 665 a 666 a 667 a 670 a b u 672 a b f 673 a b f 675 a 677 a u 678 a b u 680 a i 681 a i 682 a i 688 a
Notes

A C D E G I K L N P R S T

P

Personal Name Phrase

Phrase (pn=)

Label	pn=
Search?	No
Browse?	Yes
Example	pn=brooks,gwendolyn
Fields/Subfields	100 a b c d e g i j q 400 a b c d e g i q 500 a b c d e g i q
Notes

Personal Names

Word (pn:)

Label	pn:
Search?	Yes
Browse?	No
Example	pn:shamu
Fields/Subfields	100 a b c d e g i j q 400 a b c d e g i q 500 a b c d e g i q
Notes

A C D E G I K L N P R S T

R

Relationship

Word (rx:)

Label	rx:
Search?	Yes
Browse?	No
Example	rx:composer
Fields/Subfields	100 e j 110 e 111 j 370 i 4 386 i 4 371 4 400 e i j 4 410 e i 4 411 i j 4 430 i 4 450 i 4 451 i 4 455 i 4 462 i 4 480 i 4 481 i 4 482 i 4 485 i 4 500 e i j 4 510 e i 4 511 i j 4 530 i 4 550 i 4 551 i 4 555 i 4 562 i 4 580 i 4 581 i 4 582 i 4 585 i 4 700 e i j 4 710 e i 4 711 i j 4 730 i 4 747 i 4 748 i 4 750 i 4 751 i 4 755 i 4 762 i 4 780 i 4 781 i 4 782 i 4 785 i 4 788 i 4
Notes

A C D E G I K L N P R S T

S

Subdivision Headings

Word (sb:)

Label	sb:
Search?	Yes
Browse?	No
Example	sb:
Fields/Subfields	180 v x y z 181 v x y z 182 v x y z 185 v x y z 480 v x y z 481 v x y z 482 v x y z 485 v x y z 580 v x y z 581 v x y z 582 v x y z 585 v x y z 780 v x y z 781 v x y z 782 v x y z 785 v x y z
Notes

Subdivision Phrase

Phrase (sb=)

Label	sb=
Search?	No
Browse?	Yes
Example	sb=
Fields/Subfields	180 v x y z 181 v x y z 182 v x y z 185 v x y z 480 v x y z 481 v x y z 482 v x y z 485 v x y z 580 v x y z 581 v x y z 582 v x y z 585 v x y z 780 v x y z 781 v x y z 782 v x y z 785 v x y z
Notes

Subject

Word (su:)

Label	su:
Search?	No
Browse?	Yes
Example	su:feminism
Fields/Subfields	150 a b g v x y z 450 a b g v x y z 550 a b g v x y z
Notes

Subjects Phrase

Phrase (su=)

Label	su=
Search?	No
Browse?	Yes
Example	su=french language
Fields/Subfields	150 a b g v x y z 450 a b g v x y z 550 a b g v x y z
Notes

A C D E G I K L N P R S T

T

Title Phrase

Phrase (ti=)

Label	ti=
Search?	No
Browse?	Yes
Example	ti=canterbury tales composed for the entertainment*
Fields/Subfields	100 f g h k l m n o p r s t 110 d f g h k l n o p s t 111 d f g h k l n p s t 130 a d f g h k l m n o p r s t 400 f g h k l m n o p r s t 410 d f g h k l n o p s t 411 d f g h k l n p s t 430 a d f g h k l m n o p r s t 500 f g h k l m n o p r s t 510 d f g h k l n o p s t 511 d f g h k l n p s t 530 a d f g h k l m n o p r s t
Notes

Titles

Word (ti:)

Label	ti:
Search?	Yes
Browse?	No
Example	ti:existentialism
Fields/Subfields	100 f g h k l m n o p r s t 110 d f g h k l n o p s t 111 d f g h k l n p s t 130 a d f g h k l m n o p r s t 400 f g h k l m n o p r s t 410 d f g h k l n o p s t 411 d f g h k l n p s t 430 a d f g h k l m n o p r s t 500 f g h k l m n o p r s t 510 d f g h k l n o p s t 511 d f g h k l n p s t 530 a d f g h k l m n o p r s t 672 a b f 673 a b f
Notes

Topical

Word (sp:)

Label	sp:
Search?	Yes
Browse?	No
Example	sp:horror
Fields/Subfields	150 a b g v x y z 450 a b g v x y z 550 a b g v x y z
Notes