| First Indicator Level of subject # - No information provided 0 - No level specified 1 - Primary subject 2 - Secondary subject |
Second Indicator Thesaurus 0 - Library of Congress Subject Headings 1 - LC subject headings for children's literature 2 - Medical Subject Headings 3 - National Agricultural Library subject authority file 4 - Source not specified 5 - Canadian Subject Headings 6 - Répertoire de vedettes-matière 7 - Source specified in subfield $2 |
| Subfield Codes |
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| $a - Topical term or geographic name entry element (NR) $b - Topical term following geographic name entry element (NR) $c - Location of event (NR) $d - Active date (NR) $i - Explanatory text (R) $v - Form subdivision (R) $x - General subdivision (R) |
$y - Chronological subdivision (R) $z - Geographic subdivision (R) $0 - Record control number (R) $2 - Source of heading or term (NR) $3 - Materials specified (NR) $6 - Linkage (NR) $8 - Field link and sequence number (R) |
Topical term used as an index term that supplements terms derived from data in the MARC classification record. The term may be referred to in the classification number and caption in field 153 (Classification Number).
May be used to link a classification number with a related controlled subject heading. Topical index terms may consist of general subject terms including names of events or objects. The 750 field provides access to classification numbers according to generally accepted thesaurus-building rules (e.g., Library of Congress Subject Headings, (LCSH), Medical Subject Headings (MeSH)). The values in the second indicator position or in the data in subfield $2 (Source of heading or term) identify the subject heading system or thesaurus used by an institution to formulate the topical index term. To be included in this field, a topical index term must match the controlled heading, including any subdivisions. Index terms not controlled by a thesaurus are contained in field 753 (Index Term-Uncontrolled).
Guidelines for applying subfield $i (Explanatory text) and subfield $0 (Record control number) and examples of field 750 are provided in this section. Guidelines for applying the remaining content designators and input conventions are provided in the MARC 21 Format for Bibliographic Data: field 650 (Subject Added Entry-Topical Term).
| 084 | 0#$alcc [Library of Congress Classification] |
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| 153 | ##$aE860$hUnited States$hLater twentieth century, 1961-$hNixon's administration, 1969-August 9, 1974$jWatergate Affair, 1972- | ||||||||
| 750 | 00$aWatergate Affair, 1972-1974. | ||||||||
| 084 | 0#$alcc [Library of Congress Classification] |
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| 153 | ##$aHQ1028$hThe family. Marriage. Women$hThe family. Marriage. Home$jMarriage with deceased wife's sister | ||||||||
| 750 | 00$aMarriage with deceased wife's sister. | ||||||||
| 084 | 0#$alcc [Library of Congress Classification] |
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| 153 | ##$aBL65.C58$hReligions. Mythology. Rationalism$hReligion$hReligion in relation to other subjects, A-Z$jCivil rights | ||||||||
| 750 | 00$aCivil rights$xReligious aspects. | ||||||||
| 084 | 0#$alcc [Library of Congress Classification] |
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| 153 | ##$aHV5025$hSocial pathology. Social and public welfare. Criminology$hAlcoholism. Intemperance. Temperance reform$hHistory$j19th-20th centuries | ||||||||
| 750 | 00$aAlcoholism$xHistory$y19th century. | ||||||||
| 084 | 0#$alcc [Library of Congress Classification] |
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| 153 | ##$aHV6564$hSocial pathology. Social and public welfare. Criminology$hCriminology$hCrimes and offenses$hCrimes against the person$hSex crimes$hRape$hBy region or country$hUnited States$hBy region$jSouthern states | ||||||||
| 750 | 00$aRape$zSouthern States | ||||||||
| 084 | 0#$addc$c21 [Dewey Decimal Classification] |
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| 153 | ##$z7$a613$hGroups of persons$kPersons by various occupational characteristics$kSpecialists$hPersons occupied with applied sciences (Technologists)$hPersons occupied with medical sciences. Persons occupied with medicine$jNursing and promotion of health | ||||||||
| 750 | 00$aNurses. [This record is for a table number, indicated by code b in 008/06 (Kind of record).] |
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| 084 | 0#$addc$c21 [Dewey Decimal Classification] |
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| 153 | ##$a641.692$hTechnology (Applied sciences)$hHome economics and family living$hFood and drink$kFood preservation, storage, cooking$hCooking specific materials$kSpecific food$hCooking game and seafood$jFish | ||||||||
| 750 | 00$aCookery (Fish) | ||||||||
| 084 | 0#$addc$c21 [Dewey Decimal Classification] |
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| 153 | ##$a707.4$hThe arts. Fine and decorative arts$kFine and decorative arts$kStandard subdivisions of fine and decorative arts$hEducation, research, related topics of fine and decorative arts$jTemporary and traveling collections and exhibits | ||||||||
| 750 | 00$aTraveling exhibitions. | ||||||||
| 084 | 0#$addc$c21 [Dewey Decimal Classification] |
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| 153 | ##$a780.902$hThe arts. Fine and decorative arts$hMusic$hHistorical, geographic, persons treatment$kPeriods of stylistic development of music$j500-1449 | ||||||||
| 750 | 00$aMusic$y500-1400 | ||||||||
| 084 | 0#$addc$c21 [Dewey Decimal Classification] |
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| 153 | ##$a940.546544$hGeography, history, and auxiliary disciplines$kHistory of ancient world; of specific continents, countries, localities; of extraterrestrial worlds$kGeneral history of modern world, of extraterrestrial worlds$hGeneral history of Europe. Western Europe$h1918-$hMilitary history of World War II$hCelebrations, commemorations, memorials$hMonuments and cemeteries$hEurope. Western Europe$jFrance and Monaco | ||||||||
| 750 | 00$aWorld War, 1939-1945$xMonuments$zFrance | ||||||||
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