Subfields present

Subfields present

The table below lists the subfield codes defined for each field, along with the actual subfield codes found to be present in BLL01.

^ denotes a blank character being used as a subfield code. Spaces within lists of characters are to aid readability.

Table of fields (click to expand)

Field tag	Obsolete?	Permitted subfields	Subfields present	Illegal subfields
010		8 abz	abcdez	cde
011	obsolete	a	a
013		68 abcdef	a
015		268 aqz	2 F abcqz	F bc
016		28 az	2 az
017		268 abdiz	2 abz
018		68 a	a
019		a	2 abcdlqy	2 bcdlqy
020		68 acqz	^ 0123456789 ACNQZ abcdehjnpqsvxyz	^ 01234579 ACNQZ bdehjnpsvxy
022		01268 almyz	012 Y abcijlmxyz	Y bcijx
024		268 acdqz	12 acdqz	1
025		8 a	a
026		2568 abcde	2 abce
027		68 aqz	abq	b
028		68 abq	026 BE abqvz	02 BE vz
030		68 az	az
031		268 abcdegmnopqrstuyz	2 a
032		68 ab	ab
033		012368 abcp	abcy	y
034		012368 abcdefghjkmnprstxyz	23 abcdefghpstz
035		68 az	69 abcdhqz	9 bcdhq
036		68 ab	ab
037		3568 abcfgn	235 abcdfgnq	2 dq
038		68 a	a
039	obsolete	pa	abcdhpyz	bcdhyz
040		68 abcde	` 23568 ABCDEFJOU abcdefmqsu	` 235 FABCDEFJOU fmqsu
041		23678 abccdefghhijkmnpqrt	12 abcdefghjklmnpqr	1 l
042		a	09 S abcdehu	09 S bcdehu
043		01268 abc	025 abcefhrt	5 efhrt
044		268 abc	abcde	de
045		68 abc	abc
046		2368 abcdejklmnopxz	2 abcdejklmopsx	s
047		28 a	2 ab	b
048		28 ab	2 abd	d
050		01368 abd	3 abcdiux	ciux
051		8 abc	abc
052		01268 abcd	2 abd
055		01268 ab	2 abz	z
060		018 ab	abf	f
066		abc	ac
070		018 ab	ab
072		268 ax	2 ax
074		8 az	az
080		01268 abx	28 abx
082		012678 abbmq	28 abcdhijmq	cdhij
083		012678 acmqyz	28 aq
084		012678 abq	0259 L abcdqt	59 L cdt
085		0168 abcfrstuvwyz	8 absz
086		01268 az	2 az
088		68 az	8 az
090	obsolete	ab	ab
091	obsolete	a	a
100		0124678 abcdefgjklnpqtu	$(, 0123456789 BCDEJQ abcdefghjklmnopqstuvwx	$(, 359 BCDEJQ hmosvwx
110		0124678 abcdefgklnptu	01467 ABEI abcdefgjklnpqstvwx	ABEI jqsvwx
111		0124678 abcdefgjklnpqtu	0146 abcdefgjklnpqstx	sx
130		012678 adfghklmnoprst	016 abdfghiklmnopqrsty	biqy
210		2678 ab	26 abc	c
222		68 ab	6 abclnp	clnp
240		012678 adfghklmnoprs	0126 S abcdefghiklmnopqrst	S bceiqt
241	obsolete	ah	amny	mny
242		68 abcdehnpy	6 abcnpy
243		68 adfghklmnoprs	abfgklnost	bt
245		678 abcdefghknps	^#$-[\ 012345689 ABCDGILMPSTV abcdefghiklmnopqrstuvwz	^#$-[\ 0123459 ABCDGILMPSTV ilmoqrtuvwz
246		5678 abdefghinp	^$'( 123568 ABCDEFGHIJLMNOPQRSTUVWZ abcfghilnoprstvw	^$'( 123 ABCDEFGHIJLMNOPQRSTUVWZ clorstvw
247		678 abdefghnpx	6 abcfghnpx	c
250		3678 ab	3568 abcgln	5 cgln
251		012368 a	a
254		68 a	6 a
255		678 abcdefg	6 abcdefg
256		678 a	6 a
257		01268 a	2 a
260		368 abcdefg	$[ 1234689 ABCGILPSX abcdefgjnopqtvz	$[ 1249 ABCGILPSX jnopqtvz
261	obsolete	68 abdef	abc	c
262	obsolete	68 abckl	ac
263		68 a	1 abc	1 bc
264		3678 abc	[ 1234678 CDFP abcdefgvx	[ 124 CDFP defgvx
265	obsolete	6 a	6 abc	bc
270		468 abcdefghijklmnpqrz	abcdeghjklmnpq
300		3678 abcefg	^$:[ 012345678 CEP abcdefgimnpqvx	^$:[ 01245 CEP dimnpqvx
301	obsolete	abcdef	a
306		68 a	a
307		68 ab	a
310		01268 ab	6 abf	f
315	obsolete	6 ab	a
321		01268 ab	6 abcf	cf
334		01268 ab	2 a
335		0123678 ab	2 a
336		0123678 ab	012368 abcs	cs
337		012368 ab	0236 abc	c
338		012368 ab	01236 abgrst	grst
340		012368 abcdefghijklmnopq	23 abcdegklmnp
342		268 abcdefghijklmnopqrstuvw	2 abcdefghijkpqrs
343		68 abcdefghi	abcd
344		012368 abcdefghij	23 abcgh
345		012368 abcd	23 a
346		012368 ab	23 ab
347		012368 abcdef	023 abcdef
348		0123678 abcd	023 abcd
350	obsolete	6 ab	a
351		368 abc	a
352		68 abcdefgiq	abc
353		012368 ab	a
362		68 az	6 C az	C
363		68 abcdefghijklmuvxz	8 ai
365		268 abcdefghijkm	2 abcdj
366		268 abcdefgjkm	2 abcdfgjkm
370		01234678 cfgistuv	24 cfgi
377		0123678 al	a
380		0123678 a	012 a
381		0123678 auv	a
382		0123678 abdenprstv	123 abdenprstv
383		23678 abcde	23 abcde
384		013678 a	3 a
385		0123678 abmn	2 amn
386		01234678 abimn	023 aimn
388		0123678 a	2 a
400	obsolete	468 abcdefgklnpqtuvx	6 adqtv
410	obsolete	468 abcdefgklnptuvx	abtv
411	obsolete	468 abcdefgklnpqtuvx	ad
440	obsolete	068 anpvwx	6 av
490		3678 alvxyz	013689 EVX abcdefiklnpstvwxyz	019 EVX bcdefiknpstw
500		35678 alxz	- 235689 ACOPS abcdegnpqrtuvx	- 29 ACOPS bcdegnpqrtuv
501		5678 a	56 a
502		678 abcdgo	6 abcdgv	v
503	obsolete	6 a	5 a	5
504		68 ab	6 abcgkrst	cgkrst
505		678 agrtu	^$- 012345689 abceglnprtux	^$- 0123459 bcelnpx
506		23568 abcdefgqu	235 abcef
507		68 ab	ab
508		678 a	6 a
509		a	ab	b
510		3678 abcux	346 abceuvx	4 ev
511		68 a	6 a
513		68 ab	ab
514		68 abcdefghijkmuz	adeghz
515		678 az	6 a
516		68 a	a
518		0123678 adop	3 adop
520		23678 abcuz	^.\ 1235689 abcgrtu	^.\ 159 grt
521		368 ab	6 abgt	gt
522		68 a	a
524		2368 a	a
525		68 az	6 a
526		568 abcdixz	2 abcdz	2
530		368 abcduz	36 A abcdgrtu	A grt
532		368 a	a
533		35678 abcdefmny	3567 M abcdefghimnv	M ghiv
534		368 abcefklmnoptxz	356 abcefklmnoptxz	5
535		368 abcdg	3 abcg
536		68 abcdefgh	6 abcdefgh
538		3568 aiu	356 aciku	ck
539		a	abcdefg	bcdefg
540		23568 abcdfgqu	235 abcdefghiu	ehi
541		3568 abcdefhno	35 abcdefhnot	t
542		368 abcdefghijklmnopqrsu	afnpvxy	vxy
543	obsolete	6 a	a
544		368 abcden	an
545		68 abu	abu
546		3678 abz	$ 036 T abcgt	$ 0 T cgt
547		68 az	a
550		678 az	6 ab	b
552		68 abcdefghijklmnopuz	ad
555		3678 abcdu	6 abdu
556		68 az	a
561		3568 abu	35 L ae	L e
562		3568 abcde	35 abcd
563		3568 au	356 a
565		368 abcde	a
580		568 az	56 abcpvz	bcpv
581		368 az	35 az	5
583		235678 abcdefhijklnouxz	2358 CN abcdefhijklouxz	CN
584		3568 ab	5 a
585		3568 a	356 ad	d
586		368 a	6 a
588		568 a	56 a
590	obsolete	a	38 abx	38 bx
591		a	acdnrt	cdnrt
592		a	a
594		ab	ab
595		a	F abf	F bf
596		a	a
597	obsolete	ab	abcdmz	cdmz
598		a	a
599	obsolete	a	5 a	5
600		01234678 abcdefghjklmnopqrstuvxyz	$ 012345689 BCDFGJMPX abcdefghjklmnopqrstuvxyz	$ 59 BCDFGJMPX
610		01234678 abcdefghklmnoprstuvxyz	01234689 GX abcdefghklnpstuvxyz	9 GX
611		01234678 abcdefghjklnpqstuvxyz	026 abcdeglnpqstvxyz
630		01234678 adefghklmnoprstvxyz	01269 acdefgklmnopqrstuvxyz	9 cqu
647		0123468 acdegvxyz	02 acd
648		01234678 aevxyz	026 ayz
650		01234678 abcdegvxyz	$(, 0123456789 BGMPSVZ abcdegklnpstvwxyz	$(, 59 BGMPSVZ klnpstw
651		01234678 abegvxyz	$ 0124569 X abcdegqtvwxyz	$ 59 X cdqtw
652	obsolete	axyz	02 az	02
653		015678 a	0256 abcdqtvxyz	2 bcdqtvxyz
654		0123468 abcevyz	02 abc
655		01235678 abcvxyz	01235679 Z abcdelvxyz	9 Z del
656		012368 akvxyz	02 axyz
657		012368 avxyz	02 adxy	d
658		01268 abcd	2 a
662		012468 abcdefgh	2 abcdfg
690		a2	2 ay	y
700		012345678 abcdefghijklmnopqrstux	$( 0123456789 CDHLMOQ abcdefghijklmnopqrstuvwxy	$( 9 CDHLMOQ vwy
710		012345678 abcdefghiklmnoprstux	$ 01234568 ABC abcdefghiklnopqrstuvwx	$ ABC qvw
711		012345678 abcdefghijklnpqstux	01346 abcdefgijklnpstvx	v
715	obsolete	abefghklmnoprstu	a
720		0145678 ae	46 abcdeglnqtuvx	bcdglnqtuvx
730		01234568 adfghiklmnoprstx	023456 abdefghiklmnoprstvx	bev
740		568 ahnp	2568 abcehlnpt	2 bcelt
751		01234678 aeg	024 ae
752		012468 abcdefgh	246 abcdefg
753		01268 abc	ac
755	obsolete	2368 axyz	adhitw	dhitw
758		01234568 ai	1 tx	tx
760		4678 abcdghilmnoqstwxy	6 abcdginqtwx
762		4678 abcdghilmnoqstwxy	acdgtwx
765		4678 abcdghiklmnoqrstuwxyz	46 abcdghiknstwxz
767		4678 abcdghiklmnoqrstuwxyz	46 abcdghiknostwxz
770		4678 abcdghiklmnoqrstuwxyz	6 abcdghikstwxz
772		4678 abcdghiklmnoqrstuwxyz	67 abcdghikstwxz
773		345678 abdghiklmnopqrstuwxyz	3467 abcdegiknopqstwxz	ce
774		45678 abcdghiklmnorstuwxyz	abcdgikorstwxz
775		4678 abcdefghiklmnoqrstuwxyz	468 I abcdefghikmnoqrstuwxz
776		4678 abcdghiklmnoqrstuwxyz	4689 X abcdghiklmnoqrstuwxz	9 X
777		4678 abcdghiklmnoqrstuwxyz	678 abcdginstwxz
780		4678 abcdghiklmnoqrstuwxyz	12467 T abcdghikmnorstuvwxyz	12 T v
785		4678 abcdghiklmnoqrstuwxyz	067 X abcdghiknpstuvwxyz	0 X pv
786		4678 abcdghijklmnoprstuvwxyz	6 abdinstwz
787		45678 abcdghiklmnorstuwxyz	467 abcdeghiknoqrstwxz	eq
800		012345678 abcdefghjklmnopqrstuvwxy	0456 abcdefgklmnopqstvwx
810		012345678 abcdefghklmnoprstuvwxy	04679 abcdeglnpstuvwx	9
811		012345678 acdefghjklnpqstuvwxy	6 abcdeklnptv	b
830		01235678 adfghklmnoprstvwxy	01356789 X abcdfghklmnpstvwxyz	9 X bcz
840	obsolete	ahv	av
841		abe	5 abe	5
845		23568 abcdfgqu	u
850		8 abde	a
852		2368 abcdefghijklmnpqstuxz	23689 abcdfghijklmnopqstxz	9 o
853		2368 abcdefghijklmnoptuvwxyz	8 abijuvwx
854		2368 abcdefghijklmnoptuvwxyz	u
856		23678 abcdefgghhijkllmnnopqrrsttuvwxyz	. 235679 abcdefhikmnpqstuvwxyz	. 59
859		ab	abcjx	cjx
863		68 abcdefghijklmnopqstvwxz	8 abix
866		268 axz	0 abcdlnstwxz	0 bcdlnstw
868		268 axz	a
878		368 abcdehjlprtxz	6 a
880		012345678 abcdefghijklmnopqrstuvwxyz	$'(. 0123456789 ABCDL abcdefghijklmnopqrstuvwxyz	$'(. 9 ABCDL
881		368 abcdefghijklmn	6 agrtv	rtv
882		68 aiw	26 abhpx	2 bhpx
883		018 acdquwx	028 acdqu	2
884		agkqu	agkq
886		0123456789 abcdefghijklmnopqrstuvwxyz	0123467 C abcdefghijklmnopqrstuvwxyz	C
887		2 a	2 a
909		ab	ab
916		a	26 acs	26 cs
917	obsolete	a	a
945		a	E abfptvx	E bfptvx
950		asxyz	absxyz	b
954		a	a
955		ab	abcdefghinrstw	cdefghinrstw
957		abcdrst	9 abcdrt	9
958	obsolete	ac	abc	b
959		f	5 abcefhij	5 abcehij
960		a	aoqsuwxz	oqsuwxz
961		ab	abfi	fi
962	obsolete	acf	acf
963	obsolete	abc	abct	t
964	obsolete	acde	acde
966		lu	lu
968		abc	abc
970		a	a
975	obsolete	ab	ab
976	obsolete	a	a
979		2368 abcdefghijklmnpqstuxz	234 BJ abcfhjntuxz	4 BJ
980	obsolete	a	abcefgiopr	bcefgiopr
985		a	$= 1234568 A abcdefghijklmnqrstuvxyz	$= 1234568 A bcdefghijklmnqrstuvxyz
990		a	a
997		a	ac	c
A02	obsolete	az	az
ACF		3568 abcdefghiu	135 abcdefghipu	1 p
AQN	obsolete	a	ab	b
BGT	obsolete	a	a
BUF		ad	AD ad	AD
CAT		abclh	25 abcdehilqtwz	25 deiqtwz
CFI		3568 abcdefghiu	5 abcefghi
CNF		acden	$( abcdekntv	$( bktv
DGM		a	ab	b
DRT		a	a
EST		a	a
EXP		ad	ad
FFP		ab	ab
FIN		ad	2 ABDHJY abcdefjrsyz	2 ABDHJY bcefjrsyz
LAS		abclh	abchl
LCS	obsolete	3678 alvxyz	6 abvx	b
LDO		abcd	abcd
LEO		a	F a	F
LET		a	a
LKR		abiklmnprvy	$ BP abdeijklmnprstvwy	$ BP dejstw
MIS		a	a
MNI		a	a
MPX	obsolete	a	a
NEG	obsolete	a	a
NID		a	a
OBJ		a	a
OHC		a	a
ONS		2 atx	2 abdtx	bd
ONX		abc	abc
PLR		ab	ab
SID		abc	abcd	d
SRC		ab	` 12 B abcdejt	` 12 cdejt
SSD	obsolete	a	a
STA		ab	abd	d
TOC		a	a
UNO		a	a

---

Illegal subfield codes

The table below lists all illegal subfield codes found in BLL01, along with:

• The number of records in which the subfield code is found
• The total number of instances of the subfield code

^ denotes a blank character being used as a subfield code.

Only valid fields are considered. Subfield codes present within fields with invalid field tags are not listed.

Table of subfield codes (click to expand)

Field	Subfield	Number of records	Number of subfields
010	c	1	1
010	d	1	1
010	e	1	1
015	F	1	1
015	b	8	8
015	c	1	1
019	2	1	1
019	b	1	1
019	c	1	1
019	d	52	54
019	l	1	1
019	q	1	1
019	y	2	2
020	^	1	1
020	0	5	5
020	1	243	418
020	2	87	134
020	3	32	54
020	4	30	49
020	5	33	55
020	7	31	48
020	9	72	104
020	A	1	1
020	C	13	13
020	N	3	3
020	Q	2	2
020	Z	4	4
020	b	1235	1257
020	d	7	7
020	e	13	13
020	h	20	20
020	j	569	571
020	n	1	1
020	p	1	1
020	s	1	1
020	v	3	11
020	x	11	11
020	y	1	1
022	Y	2	2
022	b	2	2
022	c	4	4
022	i	1	1
022	j	1	1
022	x	1	1
024	1	1	1
027	b	2	2
028	0	1	1
028	2	5	5
028	B	1	1
028	E	1	1
028	v	5	5
028	z	15	15
033	y	1	1
035	9	1975	1976
035	b	16	16
035	c	2	2
035	d	3	4
035	h	4	4
035	q	4	4
037	2	2	2
037	d	2	2
037	q	1	1
039	b	52	52
039	c	34	61
039	d	34	61
039	h	1	1
039	y	58	58
039	z	58	58
040	2	1	1
040	3	2	2
040	5	3	3
040	A	1	1
040	B	4	4
040	C	1	1
040	D	23	23
040	E	2	2
040	F	1	1
040	J	1	1
040	O	1	1
040	U	7	7
040	`	1	1
040	f	4	4
040	m	1	1
040	q	3	3
040	s	3	3
040	u	4	4
041	1	328	328
041	l	2	2
042	0	3	3
042	9	10	10
042	S	1	1
042	b	5	5
042	c	2	2
042	d	3	3
042	e	1	1
042	h	3	3
042	u	22	22
043	5	213	213
043	e	2	2
043	f	1	1
043	h	2	2
043	r	1	1
043	t	1	1
044	d	13	14
044	e	12	12
046	s	1	1
047	b	1	1
048	d	1	1
050	c	1	1
050	i	1	1
050	u	4	4
050	x	84	84
055	z	1	1
060	f	1	1
082	c	2	2
082	d	2	2
082	h	3	3
082	i	3	3
082	j	2	2
084	5	9	15
084	9	31	59
084	L	1	1
084	c	1	1
084	d	1	1
084	t	1	1
100	$	8	8
100	(	15	15
100	,	1	1
100	3	1	1
100	5	2	2
100	9	15	15
100	B	3	3
100	C	12	12
100	D	189	189
100	E	1	1
100	J	1	1
100	Q	2	2
100	h	2	2
100	m	4	4
100	o	2	2
100	s	42	42
100	v	10	10
100	w	10	10
100	x	87	87
110	A	1	1
110	B	1	1
110	E	2	2
110	I	3	3
110	j	3	3
110	q	13	13
110	s	7	7
110	v	4	4
110	w	1	1
110	x	114	116
111	s	1	1
111	x	1	1
130	b	4	4
130	i	3	3
130	q	1	1
130	y	1	1
210	c	1	1
222	c	2	2
222	l	1	1
222	n	1	1
222	p	1	1
240	S	1	1
240	b	30	30
240	c	6	6
240	e	3	3
240	i	2	2
240	q	2	2
240	t	30	30
241	m	1	1
241	n	1	1
241	y	1	1
243	b	1	1
243	t	1	1
245	^	2	2
245	#	1	1
245	$	2	2
245	-	1	1
245	0	9	9
245	1	45	49
245	2	7	7
245	3	2	3
245	4	2	2
245	5	3	3
245	9	5	5
245	A	4	5
245	B	15	15
245	C	3	3
245	D	1	1
245	G	1	1
245	I	1	1
245	L	1	1
245	M	1	1
245	P	11	11
245	S	1	1
245	T	1	1
245	V	1	1
245	[	1	1
245	\	1	1
245	i	1	1
245	l	2	2
245	m	2	2
245	o	1	1
245	q	6	6
245	r	2	2
245	t	2	2
245	u	4	4
245	v	21	21
245	w	2	2
245	z	1	1
246	^	10	11
246	$	1	1
246	'	10	10
246	(	6	6
246	1	7	7
246	2	2	2
246	3	1	1
246	A	31	32
246	B	70	70
246	C	240	241
246	D	20	20
246	E	18	18
246	F	19	19
246	G	7	7
246	H	28	28
246	I	19	19
246	J	4	4
246	L	37	37
246	M	21	21
246	N	14	14
246	O	48	49
246	P	34	34
246	Q	2	2
246	R	53	53
246	S	85	86
246	T	61	61
246	U	7	7
246	V	6	7
246	W	14	15
246	Z	1	1
246	c	1215	1218
246	l	12	12
246	o	1	1
246	r	1	1
246	s	3	3
246	t	4	4
246	v	1	1
246	w	2	2
247	c	1	1
250	5	2	2
250	c	11	11
250	g	7	7
250	l	1	1
250	n	7	7
260	$	2	2
260	1	2	2
260	2	6	6
260	4	2	2
260	9	1	1
260	A	3	3
260	B	2	2
260	C	1	1
260	G	1	1
260	I	1	1
260	L	1	1
260	P	1	1
260	S	1	1
260	X	1	1
260	[	21	21
260	j	2	2
260	n	3	3
260	o	1	1
260	p	3	3
260	q	1	1
260	t	1	1
260	v	7	7
260	z	1	1
261	c	3	3
263	1	1	1
263	b	2	2
263	c	2	2
264	1	6	6
264	2	4	4
264	4	1	1
264	C	4	4
264	D	1	1
264	F	1	1
264	P	1	1
264	[	2	2
264	d	3	3
264	e	555	555
264	f	148	148
264	g	3	3
264	v	1	1
264	x	1	1
265	b	2	2
265	c	2	2
300	^	1	1
300	$	1	1
300	0	2	2
300	1	11	11
300	2	16	16
300	4	5	5
300	5	3	3
300	:	1	1
300	C	13	13
300	E	1	1
300	P	1	1
300	[	4	4
300	d	9	9
300	i	16	16
300	m	1	1
300	n	7	7
300	p	580	580
300	q	3	3
300	v	13	13
300	x	3	3
310	f	1	1
321	c	1	1
321	f	1	1
336	c	3	3
336	s	1	1
337	c	1	1
338	g	1	1
338	r	1	25
338	s	1	1
338	t	1	26
362	C	1	1
490	0	5	5
490	1	113	125
490	9	2	8
490	E	1	1
490	V	3	3
490	X	1	1
490	b	118	139
490	c	38	44
490	d	1	1
490	e	3	3
490	f	2	4
490	i	2	2
490	k	1	2
490	n	134	134
490	p	180	182
490	s	1	2
490	t	23	34
490	w	16	30
500	-	1	1
500	2	2	2
500	9	1	1
500	A	3	3
500	C	4	4
500	O	3	3
500	P	1	1
500	S	3	3
500	b	35	35
500	c	23	23
500	d	6	6
500	e	5	5
500	g	3	37
500	n	1	1
500	p	2	2
500	q	2	2
500	r	4	68
500	t	9	178
500	u	1	1
500	v	20	20
502	v	1	1
503	5	5	5
504	c	14	14
504	g	15	98
504	k	1	1
504	r	13	247
504	s	1	1
504	t	21	617
505	^	2	2
505	$	2	2
505	-	1	1
505	0	2	2
505	1	6	6
505	2	2	2
505	3	1	1
505	4	2	2
505	5	10	10
505	9	38	138
505	b	5	6
505	c	2	2
505	e	1	1
505	l	4	98
505	n	1	1
505	p	4	98
505	x	1	1
509	b	2	2
510	4	2	2
510	e	1	1
510	v	1	1
520	^	1	4
520	.	1	1
520	1	2	3
520	5	3	3
520	9	1	1
520	\	1	2
520	g	2	10
520	r	4	179
520	t	5	201
521	g	1	9
521	t	1	115
526	2	2	2
530	A	1	1
530	g	2	21
530	r	5	54
530	t	6	116
533	M	1	1
533	g	4	4
533	h	4	4
533	i	4	4
533	v	2	2
534	5	14	14
538	c	1	1
538	k	1	1
539	b	12	12
539	c	2	2
539	d	12	12
539	e	11	11
539	f	1	1
539	g	4	4
540	e	3	3
540	h	3	3
540	i	1	1
541	t	2	2
542	v	2	2
542	x	2	2
542	y	2	2
546	$	1	1
546	0	1	1
546	T	1	1
546	c	1	1
546	g	1	43
546	t	1	44
550	b	2	2
561	L	1	1
561	e	1	1
580	b	1	1
580	c	3	3
580	p	1	1
580	v	3	3
581	5	1	1
583	C	1	1
583	N	1	1
585	d	1	1
590	3	1	1
590	8	1	1
590	b	1	1
590	x	1	1
591	c	3	3
591	d	2	2
591	n	1	1
591	r	1	30
591	t	1	31
595	^	1	1
595	F	1	1
595	b	11	11
595	f	1	1
597	c	674	705
597	d	1794	1847
597	m	327	327
597	z	1	1
599	5	2428	2734
600	$	3	3
600	5	2	2
600	9	15	17
600	B	1	1
600	C	2	2
600	D	2	2
600	F	3	3
600	G	3	3
600	J	1	1
600	M	1	1
600	P	15	15
600	X	1	1
610	9	2	2
610	G	1	1
610	X	1	1
630	9	2	2
630	c	4	4
630	q	1	1
630	u	1	3
650	$	2	2
650	(	25	25
650	,	1	1
650	5	15	62
650	9	70	88
650	B	1	1
650	G	8	8
650	M	1	1
650	P	1	1
650	S	1	1
650	V	1	1
650	Z	18	18
650	k	1	2
650	l	2	2
650	n	3	3
650	p	15	23
650	s	6	6
650	t	9	9
650	w	1	1
651	$	2	2
651	5	3	3
651	9	23	35
651	X	1	1
651	c	26	27
651	d	5	5
651	q	1	1
651	t	5	5
651	w	1	1
652	0	30	30
652	2	30	30
653	2	15	18
653	b	39	41
653	c	5	5
653	d	20	20
653	q	4	4
653	t	1	1
653	v	14	14
653	x	46	56
653	y	8	9
653	z	28	34
655	9	1	1
655	Z	1	1
655	d	2	2
655	e	1	1
655	l	1	1
657	d	1	1
690	y	1	1
700	$	15	15
700	(	5	5
700	9	3	3
700	C	13	13
700	D	74	74
700	H	1	1
700	L	3	3
700	M	1	1
700	O	1	1
700	Q	1	1
700	v	14	15
700	w	10	10
700	y	1	1
710	$	1	1
710	A	4	4
710	B	25	25
710	C	1	1
710	q	7	7
710	v	11	11
710	w	1	1
711	v	1	1
720	b	7279	7418
720	c	16923	17376
720	d	17417	17719
720	g	1	1
720	l	23	23
720	n	124	124
720	q	240	245
720	t	224	275
720	u	1	6
720	v	16	16
720	x	1	1
730	b	1	2
730	e	2	2
730	v	2	2
740	2	2	2
740	b	5	7
740	c	10	10
740	e	5	6
740	l	3	3
740	t	3	3
755	d	1	1
755	h	1	1
755	i	1	1
755	t	2	2
755	w	2	2
758	t	1	1
758	x	1	1
773	c	41	41
773	e	238	238
775	I	1	1
776	9	1	1
776	X	1	1
780	1	1	1
780	2	1	1
780	T	1	1
780	v	2	2
785	0	1	1
785	X	1	1
785	p	1	2
785	v	2	2
787	e	1	1
787	q	1	1
810	9	2	2
811	b	4	4
830	9	14	16
830	X	1	1
830	b	48	48
830	c	16	16
830	z	1	1
841	5	3	13
852	9	22	22
852	o	382646	385182
856	.	1	1
856	5	1	1
856	9	167	214
859	c	389	389
859	j	8	8
859	x	1	1
866	0	1	1
866	b	2	2
866	c	1	1
866	d	1	1
866	l	1	1
866	n	1	1
866	s	1	1
866	t	1	1
866	w	1	1
880	$	2	2
880	'	3	3
880	(	1	1
880	.	1	1
880	9	214	798
880	A	1	1
880	B	2	2
880	C	9	9
880	D	2	2
880	L	1	1
881	r	1	53
881	t	1	53
881	v	1	2
882	2	1	1
882	b	1	1
882	h	1	1
882	p	1	1
882	x	1	1
883	2	1	1
886	C	2	2
916	2	64	64
916	6	1	1
916	c	1	1
916	s	1	1
945	E	1	1
945	b	8	8
945	f	1	1
945	p	2	2
945	t	2	2
945	v	19	19
945	x	3	3
950	b	28	28
955	c	61	65
955	d	42	43
955	e	70	75
955	f	6	7
955	g	6	6
955	h	7	7
955	i	144	146
955	n	1	1
955	r	2	2
955	s	1	1
955	t	2	2
955	w	3	3
957	9	1	1
958	b	3	3
959	5	1	1
959	a	72	75
959	b	17	17
959	c	3	3
959	e	2	2
959	h	1	1
959	i	1	1
959	j	14	14
960	o	1	1
960	q	1	1
960	s	1	1
960	u	1	1
960	w	1	1
960	x	1	1
960	z	1	1
961	f	1	1
961	i	1	1
963	t	1	1
979	4	1	1
979	B	4	4
979	J	5	5
980	b	35	35
980	c	14	14
980	e	7	7
980	f	38	38
980	g	24	24
980	i	7	7
980	o	7	7
980	p	7	7
980	r	7	7
985	$	27	29
985	1	3	3
985	2	610	612
985	3	1	1
985	4	3	3
985	5	646	647
985	6	6	6
985	8	1	1
985	=	1	1
985	A	39	39
985	b	4129	4355
985	c	1431	1437
985	d	219	228
985	e	5150	5197
985	f	16	16
985	g	13	13
985	h	9	9
985	i	16	21
985	j	4110	4335
985	k	1	1
985	l	1	1
985	m	8258	8261
985	n	1	1
985	q	1	1
985	r	1	1
985	s	1	1
985	t	2	2
985	u	8258	8261
985	v	1	1
985	x	2	2
985	y	8258	8261
985	z	1	1
997	c	3	3
ACF	1	2	2
ACF	p	6	6
AQN	b	2	2
BUF	A	1	1
BUF	D	1	1
CAT	2	1	5
CAT	5	1	1
CAT	d	2	3
CAT	e	1	2
CAT	i	1	1
CAT	q	1	2
CAT	t	1	1
CAT	w	1	1
CAT	z	1	2
CNF	$	2	2
CNF	(	1	1
CNF	b	148	185
CNF	k	3	3
CNF	t	8	8
CNF	v	1	1
DGM	b	594302	594348
FIN	2	5	5
FIN	A	45	45
FIN	B	4	4
FIN	D	48	48
FIN	H	1	1
FIN	J	1	1
FIN	Y	1	1
FIN	b	35	35
FIN	c	6	6
FIN	e	1	1
FIN	f	4	4
FIN	j	2	2
FIN	r	1	1
FIN	s	4	4
FIN	y	4	4
FIN	z	2	2
LCS	b	2	2
LEO	F	1	1
LKR	$	1	1
LKR	B	1	1
LKR	P	1	1
LKR	d	87	88
LKR	e	1	1
LKR	j	6	6
LKR	s	2	2
LKR	t	1	1
LKR	w	1	1
ONS	b	129553	259888
ONS	d	2	2
SID	d	2	2
SRC	1	1	1
SRC	2	3	3
SRC	B	1	1
SRC	`	1	1
SRC	c	1	1
SRC	d	3	3
SRC	e	2	2
SRC	j	1	1
SRC	t	3	3
STA	d	1	1

---

Count of of illegal subfield codes

The table below lists the number of records, and the number of fields, containing illegal subfield codes, broken down into the 18 files which make up the BLL01 export.

File	Number of records	Number of fields
1	6140	6548
2	377	382
3	668	712
4	552	563
5	375	397
6	274	286
7	51431	53384
8	274208	275083
9	62833	63157
10	5489	5581
11	16585	28900
12	127475	180967
13	143156	165326
14	204335	224524
15	180493	189146
16	8986	9389
17	56195	64018
18	18171	32103
TOTAL	1157743	1300466