Definition |
An unformatted note that describes the scope and general contents of the described materials. Use for an abstract, annotation, review, summary, or a phrase describing the material. The level of detail in a summary may vary depending on the audience for a particular item. When no distinction between levels of detail in a summary note is required, subfield ǂa contains all the text. When a distinction is appropriate, subfield ǂa contains a brief statement and subfield ǂb contains additional information. |
1st Indicator |
Display constant controller. A value that controls the generation of the display constant preceding the note. |
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Summary. The value that generates the display constant Summary:.
| 520 |
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An illustrated collection of nursery rhymes set to music. |
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Subject. The value that generates the display constant Subject:.
| 520 |
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Two head-and-shoulder portraits in separate ornamental oval frames, one frame held by an eagle. |
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Review. The value that generates the display constant Review:.
| 520 |
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"Combines the most frequently asked questions regarding AIDS with the most prominent US physician, former Surgeon General C. Everett Koop, resulting in an informative 38-minute production"--Video rating guide for libraries, winter 1990. |
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| 2 |
Scope and content. The value that generates the display constant Scope and content:.
| 520 |
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Series consists of minutes of meetings of the Board together with correspondence and other documents referred to in the minutes. The records reflect ... |
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Abstract. The value that generates the display constant Abstract:.
| 520 |
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The study examines the fertility history of American couples in metropolitan America and the motivational connections between the environment and fertility decisions and behavior. ǂb Phase I looks at the social and psychological factors thought to relate to differences in fertility. Phase II focuses on why some couples stopped at two children while others had a third or fourth during the first and second phase. Phase III examines how well attitudes and events of the early marriage determined the record of the later years of child bearing. |
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| 4 |
Content advice. Used to generate display constant Content advice:.
| 520 |
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Contains violence. ǂc UnityUK |
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| 8 |
No display constant generated. The value that specifies that a display constant is not generated. |
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2nd Indicator |
Undefined. The 2nd indicator position is undefined and contains a blank ( ).
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Undefined |
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Subfields |
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| ǂa Summary, etc. |
The text of the abstract, review, summary, etc. When no distinction between levels of detail in a summary note is required, subfield ǂa contains all the text. When a distinction is appropriate, subfield ǂa contains a brief statement and subfield ǂb contains additional information.
| 520 |
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Kate and Ben follow their rabbit into a haunted house and discover the source of the house's ghostly sound. |
| 520 |
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Books, ledgers, and letters of Alexander Gusdorf and his brother, Gerson Gusdorf, who ran a general store in Taos, N.M. |
| 520 |
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Records the events, people, and places that made news in 2000 and updates the information from the encyclopedia's first year. |
| 520 |
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Fonds consists of minutes of meetings, research files relating to the delivery of health case services in Nova Scotia, recorded ... |
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| ǂb Expansion of summary note |
An expansion of the brief summary recorded in subfield ǂa.
| 520 |
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Public release motion pictures, 1915-1937. ǂb Includes films on control of rats, prairie dogs and porcupines; fish culture in the United States and pearl culture in Japan; inspection trip to Alaska by Service officials; life in a Boy Scout camp and Air Service bombing techniques in 1921. |
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Miscellaneous cartographic records with an emphasis on biogeography of the United States and Alaska, 1872-1941. ǂb Includes published and photoprocessed maps of Alaska and coastal waters, 1888-1890, many of which were compiled from surveys made on the "Albatross"; maps, 1908-1919, annotated by the Alaskan Fisheries Division ... |
| 520 |
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Letters, primarily to Angelica Schuyler Church (1756-1815), wife of John Barker Church and daughter of Philip John Schuyler, or to members of her family. ǂb Correspondents include Alexander Hamilton (her brother-in-law), Thomas Jefferson, the Marquis de Lafayette, Philip John Schuyler and George Washington. Also included are one order, one deed, and two cut autographs. |
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| ǂc Assigning source |
Organization code or name of the agency or other source (e.g., journal or newspaper) that supplied the data (summary, review, abstract, content advice statement, etc.) recorded in subfield ǂa. See MARC Code List for Organizations (http://www.loc.gov/marc/organizations/orgshome.html).
| 520 |
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Contains swear words, sex scenes and violence. ǂc UnityUK |
| 520 |
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"Happy Feet" may be too much for many kids younger than 7 and some younger than 8. (Know how well your child separates animated fantasy from reality.) ǂc Family Filmgoer. ǂu http://www.washingtonpost.com/wp-dyn/content/article/2006/11/16/AR2006111600269.html |
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| ǂu Uniform Resource Identifier |
For information about subfield ǂu, see Control Subfields. Repeat subfield if digital object has multiple identifiers (URIs).
| 520 |
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ǂu http://www.ojp.usdoj.gov/bjs/abstract_cchrie98.htm |
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| ǂ2 Source |
Source code for the particular classification system used (for example, the MPAA (USA) and BBFC (UK) film classification systems) to construct the content advice statement recorded in subfield ǂa. See Content Advice Classification Source Codes (http://www.loc.gov/standards/sourcelist/content-advice.html).
| 520 |
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Strong portrayals of sexual activity. ǂ2 bbfc |
| 520 |
4 |
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Intense sequences of adventure, violence, including frightening images. ǂ2 mpaa |
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| ǂ3 Materials specified |
For information about subfield ǂ3, see Control Subfields. |
Indexing |
For indexing and searching information, see Searching WorldCat Indexes, field 520. |
