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Use index codes to specify where words should be searched in the record: KSFG western finds western in a form/genre heading. Use a percent sign ( % ) as a single-character wildcard, either inside or at the end of a search word: wom%nNote: if your search terms contain a percent sign, remove the %. Enter "100% solution" as "100 solution".
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- Search Examples
- Searching All Variable Data Fields
- Searching Names of People, Corporate Bodies, and Meetings
- Searching Subjects
- Searching Titles
- Searching Publication Information
- Searching Notes
The LC Catalog contains more than 500 keyword, left-match, and headings indexes. Commonly used indexes are available from drop-down menus in Browse, Advanced Search, and Keyword Search. You may also use any keyword or left-match index in Keyword (EXPERT)search, a powerful, command-driven method for finding words or phrases located anywhere in the r...
GKEY
Keyword search for words or phrases in any variable data field of a bibliographic record (MARC fields 010-999). Punctuation and spacing are treated as "word separators;" use quoted phrases in Keyword (EXPERT)GKEY queries with multiple terms. Search terms can be found in one or more fields of the record. Word order does not matter unless search terms are entered as a phrase. Truncation, wildcards, and limits are available.
HKEY
Keyword search for words or phrases in any variable data field of a holdings record associated with bibliographic records (MARC fields 010-999). Punctuation and spacing are treated as "word separators;" use quoted phrases in Keyword (EXPERT)HKEY queries with multiple terms. Search terms can be found in one or more fields of the record. Word order does not matter unless search terms are entered as a phrase. Truncation, wildcards, and limits are available.
Combined Searches: All Variable Data Fields
GKEY and HKEY can be combined with other bibliographic and holdings keywordindex codes in search queries.
KNAM
Keyword search for items created by people, corporate bodies, or meetings or items about people, corporate bodies, or meetings (MARC X00, X10, X11 author/creator, subject, and series fields; MARC fields 242 $c, 245 $c; 505 $r, 508, 511, 534 $a, 542 $abcdf, 570, 720, 751, 752, and 76X-78X linking entries). Punctuation and spacing are treated as "word separators;" use quoted phrases in Keyword (EXPERT) KNAM queries with multiple terms. Search terms can be found in one or more fields of the reco...
NALL
Left-match search for items created by people, corporate bodies, or meetings or items about people, corporate bodies, or meetings (MARC X00, X10, and X11 author/creator, subject, and series fields). Beginning with the left-most word, enter personal names in last name-first name order, corporate and meeting names in direct order. NALL searches across subfields. Punctuation and spacing are treated as "word separators;" use quoted phrases in Keyword (EXPERT) NALL queries with multiple terms. Tru...
NKEY
Keyword search for items created by people, corporate bodies, or meetings (MARC X00, X10, X11 author/creator and series fields; MARC fields 534 $a, 720, and 76X-78X linking entries). NKEY does not search for names used as subjects. Punctuation and spacing are treated as "word separators;" use quoted phrases in Keyword (EXPERT)NKEY queries with multiple terms. Search terms can be found in one or more fields of the record. Word order does not matter unless search terms are entered as a phrase....
KSUB
Keyword search for authorized subjects; uncontrolled subjects; summary, biographical, and geographical notes; and hierarchical place names (MARC fields 6XX, 520, 522, 545, 751, and 752). Punctuation and spacing are treated as "word separators;" use quoted phrases in Keyword (EXPERT) KSUB queries with multiple terms. Search terms can be found in one or more fields of the record. Word order does not matter unless search terms are entered as a phrase. Truncation, wildcards, and limits are availa...
SALL
Left-match search for authorized subjects (MARC fields 6XX). Word order is precise. Beginning with the left-most word, enter subjects in direct order, with the exception of personal names which are entered in last name-first name order. SALL searches across subfields. Punctuation and spacing are treated as "word separators;" use quoted phrases in Keyword (EXPERT) SALL queries with multiple terms. Omit leading articles from titles. Truncation is notautomatic; consider using a question mark to...
SKEY
Keyword search for authorized subjects (MARC fields 6XX). Punctuation and spacing are treated as "word separators;" use quoted phrases in Keyword (EXPERT) SKEY queries with multiple terms. Search terms can be found in one or more fields of the record. Word order does not matter unless search terms are entered as a phrase. Truncation, wildcards, and limits are available. When SKEY is used in Keyword (EXPERT) search, index code/search term expressions do not search across subfields; instead com...
KPUB
Keyword search for publisher or producer names, places, and dates (MARC fields 257, 260, 262, 264, 270, 370, 388, 542 $ijkmp, 751, 752, and 76X-78X linking entries $d). Punctuation and spacing are treated as "word separators;" use quoted phrases in Keyword (EXPERT) KPUB queries with multiple terms. Search terms can be found in one or more fields of the record. Word order does not matter unless search terms are entered as a phrase. Truncation, wildcards, and limits are available. When KPUB is...
KPBA
Keyword search for the place of publication or production. MARC field 260 $ae retrieves place of publication, distribution, and manufacture; MARC field 264 $a - introduced in 2011 - retrieves place of publication, production, distribution, and manufacture. Punctuation and spacing are treated as "word separators;" use quoted phrases in Keyword (EXPERT)queries with multiple terms. Search terms can be found in one or more fields of the record. Word order does not matter unless search terms are e...
KPBB
Keyword search for publisher, producer, distributor, or manufacturer. MARC field 260 $bf retrieves publisher, distributor, and manufacturer; MARC field 264 $b - introduced in 2011 - retrieves publisher, producer, distributor, and manufacturer. Punctuation and spacing are treated as "word separators;" use quoted phrases in Keyword (EXPERT)queries with multiple terms. Search terms can be found in one or more fields of the record. Word order does not matter unless search terms are entered as a p...
KNOT
Keyword search for words found in notes (MARC fields 5XX, as well as note subfields in fields 031 $qyz, 051 $c, 246 $i5, 310, 321, 351, 361 $xz,355, 362, 363 $z, 382 $v, 387 $dfgikl,76X-78X linking fields $n, 852 $xz3, 856 $xyz3, 857 $xyz3, and local field 859 $xyz3). Notes contain a wide range of information, such as: 1. physical characteristics of items (such as: sound recording, microfiche, Library of Congress digitization) 2. credits for people participating in the creation of an item 3....
KCON
Keyword search for words in contents, summary, and biographical/history notes (MARC fields 505, 520, and 545). Punctuation and spacing are treated as "word separators;" use quoted phrases in Keyword (EXPERT)KCON queries with multiple terms. Search terms can be found in one or more fields of the record. Word order does not matter unless search terms are entered as a phrase. Truncation, wildcards, and limits are available.
KTYP
Keyword search for type of material (MARC fields 245 $h, 336, 337, and 338). Punctuation and spacing are treated as "word separators;" use quoted phrases in Keyword (EXPERT)KTYP queries with multiple terms. Search terms can be found in one or more fields of the record. Word order does not matter unless search terms are entered as a phrase. Truncation, wildcards, and limits are available.
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Feb 6, 2024 · Tips on Using the Online Catalog and an Introduction to the Library of Congress Classification System How to Search, Sort, Scope and Do Advanced Functions
To search authority records directly, please go to Library of Congress Authorities at https://authorities.loc.gov/. For more information, see About Library of Congress Authorities . What do the different numbers mean on an LC Catalog record?
Use the Advanced Search option to limit your search to manuscript records only, or search for manuscript material in conjunction with a broader search of the Library's books and other formats. Become familiar with the Library of Congress Subject Headings (LCSH).
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