British Backfile

British Backfile is comprised of records cataloged by The British Library. British Backfile is updated Quarterly and Monthly.

The Library Corporation, Research Park, Inwood, WV 25428

A Free MARC Inventory and Census Service
Institution: British Backfile
Profile Type: MARC Leader and Fields
Performed on: Wed, Feb 20, 2008. 10:22:21 AM

Overall Statistics
DescriptionMaximumMinimumAverageTotals
Number of Records---4035317
Characters per Record286481944281729903758
Characters per Field25622311508275399
Fields per Record20091148345257

Record Status (MARC Leader Position 05)
DescriptionMARC CodeRecord CountPercent of RecordsFile Space ConsumedPercent of File Space
Newn4035317100.001729903646100.00

Record Type (MARC Leader Position 06)
DescriptionMARC CodeRecord CountPercent of RecordsFile Space ConsumedPercent of File Space
Language Materiala4035304100.001729894239100.00
Printed Musicc10.0012080.00
Printed Mape100.0068990.00
Nonmusical Sound Recordingi10.004170.00
Manuscript Materialt10.008830.00

Bibliographic Level (MARC Leader Position 07)
DescriptionMARC CodeRecord CountPercent of RecordsFile Space ConsumedPercent of File Space
Monographic Componenta456651.13235833771.36
Serial Componentb10.007080.00
Monograph Itemm387741096.09165575801795.71
Serials1122412.78505615442.92

Control Type (MARC Leader Position 08)
DescriptionMARC CodeRecord CountPercent of RecordsFile Space ConsumedPercent of File Space
No Specified Type[blank]4035317100.001729903646100.00

Character Encoding (MARC Leader Position 09)
DescriptionMARC CodeRecord CountPercent of RecordsFile Space ConsumedPercent of File Space
MARC-8[blank]4035317100.001729903646100.00

Encoding Level (MARC Leader Position 17)
DescriptionMARC CodeRecord CountPercent of RecordsFile Space ConsumedPercent of File Space
Full Level[blank]17680.0416740680.10
Full; Unexamined1390.00276240.00
Abbreviated Level3403075399.89172578871699.76
Preliminary Level510.003260.00
Minimal Level716450.0413869250.08
Unknown Levelu11100.0310250880.06
Unknown Code[unprintable]10.008990.00

Descriptive Cataloging Form (MARC Leader Position 18)
DescriptionMARC CodeRecord CountPercent of RecordsFile Space ConsumedPercent of File Space
Non ISBD Form[blank]403127799.90172632109999.79
AACR2a35610.0930644640.18
ISBD Formi4030.014563270.03
Unknownu750.00608570.00
Unknown Code[unprintable]10.008990.00

Linked Record Requirement (MARC Leader Position 19)
DescriptionMARC CodeRecord CountPercent of RecordsFile Space ConsumedPercent of File Space
Related Record not Required[blank]4035317100.001729903646100.00

Modified Record (MARC 008 Position 38)
DescriptionMARC CodeRecord CountPercent of RecordsFile Space ConsumedPercent of File Space
Not modified[blank]4035228100.001729828924100.00
Dashed-on Omit.d50.0076980.00
Romanizedo110.0095770.00
Romanized scriptr670.00538240.00
Missing Charactersx10.007270.00
No attempt to code|50.0028960.00

Cataloging Source (MARC 008 Position 39)
DescriptionMARC CodeRecord CountPercent of RecordsFile Space ConsumedPercent of File Space
Library of Congress[blank]403439499.98172895541499.95
LC Coop. Cat.c190.00179570.00
Other Sourcesd8530.028826460.05
Unknown Sourceu120.00118220.00
No attempt to code|390.00358070.00

Target Audience (MARC 008 Position 22)
DescriptionMARC CodeRecord CountPercent of RecordsFile Space ConsumedPercent of File Space
Unknown or not spec.[blank]23630.0617341810.10
Juvenilej2010.00967110.01
No attempt to code|392050197.15167750360396.97

Collection Age (MARC 008 Position 07-10)
DescriptionRecord CountPercent of RecordsFile Space ConsumedPercent of File Space
--- 2005 ---30.0025120.00
--- 2004 ---30.0018420.00
--- 2003 ---30.0017920.00
--- 2002 ---20.009000.00
--- 2001 ---60.0041580.00
--- 2000 ---220.00115770.00
--- 1999 ---40.0024450.00
--- 1998 ---40.0022740.00
--- 1997 ---70.0041210.00
--- 1996 ---50.0029530.00
--- 1995 ---60.0040770.00
--- 1994 ---60.0036940.00
--- 1993 ---100.0057330.00
--- 1992 ---70.0035510.00
--- 1991 ---100.0051260.00
--- 1990 ---80.0053750.00
1980 - 19893330.011780050.01
1970 - 19792134155.29904637945.23
1960 - 196946063411.4218762991910.85
1950 - 19593446148.541366465117.90
1940 - 19492218785.50867534165.01
1930 - 19392887977.161120809216.48
1920 - 19292328685.77907694385.25
1910 - 19191928404.78771823504.46
1900 - 19091983824.92810638384.69
1890 - 18991904774.72767353754.44
1880 - 18891729624.29716515874.14
1870 - 18791522433.77630978473.65
1860 - 18691713824.25693998784.01
1850 - 18591448333.59606094633.50
1840 - 18491120092.78481022762.78
1830 - 1839874322.17386072552.23
1820 - 1829736271.82337573221.95
1810 - 1819560801.39267772981.55
1800 - 1809479091.19229915381.33
1790 - 1799694971.72330344171.91
1780 - 1789449591.11219734491.27
1770 - 1779297550.74149611980.86
1760 - 1759262110.65133063040.77
1750 - 1759258120.64133840320.77
1740 - 1749219180.54116505110.67
1730 - 1739214890.53115359640.67
1720 - 1729218620.54117419420.68
1710 - 1719236840.59127892540.74
1700 - 1709215670.53115108010.67
1600 - 16991696054.20940374205.44
1500 - 1599746921.85445153282.57
1400 - 1499109420.2786930800.50
1300 - 1399450.00218060.00
1200 - 1299500.00264010.00
1100 - 1199340.00154800.00
1000 - 1099770.00359330.00
Pre 100010.004000.00
No Date1102962.73521097653.01

Languages (MARC 008 Position 35-37)
DescriptionRecord CountPercent of RecordsFile Space ConsumedPercent of File Space
NOT CODED80.0049030.00
ENGLISH174260.4391002770.53
FRENCH9500.025599160.03
GERMAN15330.049246040.05
SPANISH2030.011193620.01
AFRO-ASIAT10.004380.00
AFRICAANS780.00350140.00
ALBANIAN10.007160.00
ALGONQUIAN10.009930.00
ARABIC50.0069990.00
ARMENIAN10.007550.00
BALUCHI10.009140.00
BASQUE10.003870.00
BYELORUSSIAN20.008390.00
BANGALI80.0048530.00
BULGARIAN90.0051780.00
BURMESE30.0014370.00
CATALAN50.0027170.00
CHINESE30.0013600.00
COPTIC50.0037540.00
CREE10.003630.00
CZECH190.00116660.00
DANISH370.00203680.00
DUTCH2210.011286850.01
EGYPTIAN30.0020550.00
ENGLISH,OLD40.0028580.00
ESTONIAN30.0016110.00
FINNISH110.0060700.00
FRENCH MIDDLE10.006430.00
FRENCH OLD10.0012200.00
GERMANIC10.006910.00
GREEK ANCIE130.00130080.00
GREEK240.00205080.00
HAWAIIAN20.005550.00
HEBREW280.00311920.00
HUNGARIAN1890.00895750.01
IGBO10.002990.00
ICELANDIC10.003850.00
IROQUOIAN50.0031620.00
ITALIAN2210.011431800.01
KONGO10.005000.00
LADINO10.0017300.00
LATIN3960.012785880.02
LATVIAN10.004500.00
LITHUANIAN20.0020410.00
MACEDONIAN20.0015590.00
MARATHI10.006910.00
MISCELLANEOUS20.0013230.00
MOHAWK200.00121350.00
MOLDAVIAN10.007570.00
MULTI. LANGUAGE1180.00997230.01
NIGER-KORDOFAN10.005120.00
NORWEGIAN130.0074270.00
NYANJA10.003670.00
OTTOMAN TURK30.0031630.00
POLISH390.00257330.00
PORTUGUESE830.00428750.00
PROVENCAL OLD30.0012570.00
RAETO-ROMANCE60.0025330.00
ROMANIAN80.0083140.00
RUSSIAN1330.00849690.00
SERBO-CYRILLIC100.0057260.00
SCOTS40.0018800.00
SERBO-ROMAN160.0097170.00
SHAN10.003610.00
SINO TIBETAN10.004210.00
SLOVAK40.0017590.00
SLOVENIAN110.0066600.00
SORBIAN LANGUAGE20.0018140.00
SWAHILI10.005640.00
SWEDISH450.00250400.00
SYRIAC20.0021640.00
TAMIL60.0038530.00
TURKISH10.005620.00
UKRAINIAN50.0027940.00
UNDETERMINED380.00184310.00
VIETNAMESE30.0011000.00
WELSH380.00135340.00
YIDDISH6320.025601180.03
YORUBA20.006900.00
Unknown Code401263099.44171741630199.28

Census of MARC Fields Used in the Collection
TagRecords with TagRepeated FieldsMax LengthMin LengthAverge LengthPercent of RecordsFile Space ConsumedPercent of File Space
1403531712399100.00363178762.10
34035317-222100.0080706340.47
54035317-161616100.00645650723.73
6266-1817170.0147850.00
72586-14240.06104480.00
84035317-404040100.001614126809.33
10855-6412150.02129120.00
157861199170.02139650.00
1669313013180.0018800.00
1940353179986171013100.25566193803.27
20106571255738142.6515034390.09
22249125713140.06365710.00
254-1913160.00650.00
30260-16990.0125790.00
32129-1616160.0020640.00
3557664529200.02132320.00
37227-1857510.01116360.00
4040353162216610100.00403955812.34
411043-377120.03130750.00
429564306100.02105290.00
4331212911110.0136600.00
4422-2110120.002660.00
453-8880.00240.00
469-175140.001290.00
5010038525150.03154970.00
5111-6410270.003070.00
5215-1814150.002280.00
558-10680.00660.00
609611912130.0013550.00
66516-6660.0130960.00
7028-1710130.003850.00
72231214880.002890.00
74131910150.00630.00
802-7660.00130.00
82546039347110.14637880.00
84592622514190.02126320.00
863-368230.00700.00
1003092246-24862976.63914270125.29
110427956-46885210.61224108211.30
1111760-20315520.04922710.01
13046601-19310431.1520108180.12
2101372-717220.03309810.00
2221681-1287330.04562470.00
24038503019076369.54140348140.81
2421-2323230.00230.00
2454035317-2562698100.0039775173222.99
24611494133606440.04694980.00
2477412531700.007750.00
250178177-103110464.4283486920.48
2551-1717170.00170.00
260376778724293153593.381353998607.83
2621-2121210.00210.00
2651-7070700.00700.00
3003643146333035990.28353116112.04
3101916151789160.05320620.00
3214341429510270.01160330.00
3621926774056330.05664730.00
44045371623383475211.25236684861.37
49026081569590.01159950.00
5004452597661199776611.22300411391.74
5012-340561980.003960.00
5029-9619540.004880.00
50449241289390.01194790.00
505320291879193450.011206420.01
5084-8234560.002260.00
5101422012611330.0054110.00
5154119845920610.01313530.00
52064825519740.0053930.00
525130971519700.0098660.00
5302714031722600.01188320.00
5331-6565650.00650.00
5341-4040400.00400.00
538111511121310.002630.00
540250774736410.061046920.01
54110-5020240.002430.00
546362713313400.01148190.00
55043918649191280.01588130.00
5554182361317770.01343880.00
56187239134900.0080230.00
562118741640.001280.00
5638115443810.007350.00
5803961833556614081110010.70432729742.50
6001160539530410230.302858670.02
6108065928610450.02391520.00
611819235570.005150.00
6301472314410360.0062360.00
650139274538958300.465664920.03
65174771991929360.233421910.02
65313991031419420.04639470.00
6551273416882712340.324388280.03
700991904289946101283431.77443494112.56
7104936553316939621.3634452520.20
711472644715520.01250650.00
7205645664198786953415.03210853231.22
7302717710524038440.7012654520.07
74028631305018400.071208950.01
752261-4317240.0163950.00
7601027519450.005460.00
7621-6565650.00650.00
7655-7629480.002440.00
767656531440.004870.00
7701805512213480.01112800.00
7726289321430.0030660.00
7733-11943770.002330.00
7742-6724450.00910.00
775113961626711449151884.38332193181.92
776424341239470.01217550.00
777241314415740.0027430.00
7807781432037480.02442670.00
7858821391687490.03501850.00
787329364445921680101329.27496767242.87
7931-5050500.00500.00
80054-9452700.0038130.00
8108-12147790.006330.00
8301315213013600.00110270.00
852403531723624915162339105.851702954069.84
8562521266321260.0058130.00
8661775962839910507435.1090307140.52
8806771402119921900.051888320.01
9161-1414140.00140.00
9591953-3522270.05540810.00

To learn more about ITS.MARC, please contact TLC at 1.800.325.7759 or email us at info@tlcdelivers.com.

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