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Subfields present

victoriamorris edited this page Jan 5, 2025 · 1 revision

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

Useful links

Team

Metadata issues log (Sharepoint file - requires login)

BL

BL homepage

BL interim catalogue

MARC21

MARC21 bibliographic

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