Definition |
Physical description information for an item that requires technical equipment for its use, and/or more granular description information of an item's material properties to facilitate access and discovery or to support collection management. Coded physical information is contained in fields 007 and 008. For information on punctuation, see the Punctuation section below. |
Guidelines |
Prefer use of a separate field for each unique term. For example, for a charcoal drawing on canvas in a wood frame: |
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| 340 |
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canvas ǂ2 rdamat |
| 340 |
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ǂc charcoal ǂ2 rdamat |
| 340 |
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ǂe wood ǂ2 rdamat |
For a color ink self-portrait on rice paper:
| 340 |
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ǂ3 self-portrait ǂa rice paper |
| 340 |
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ǂ3 self-portrait ǂb 18 x 23 cm |
| 340 |
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ǂ3 self-portrait ǂc colored inks |
| 340 |
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ǂ3 self-portrait ǂe none |
| 340 |
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ǂ3 self-portrait ǂh between entry for April 7 and April 19, 1843 |
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1st Indicator |
Undefined. The 1st indicator position is undefined and contains a blank.
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Undefined |
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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 Material base and configuration |
The material base (physical substance) and configuration on which the information is recorded. Material bases include audiotape, cartridge, chip, dot, fiche, globe, magnetic tape, microtape, sheet, ultratape, and videotape. For a list of RDA-controlled terms, see RDA Material.
| 340 |
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marble |
| [The medium is for a sculpture] |
| 340 |
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canvas ǂ2 rdamat |
| [The medium is for an oil painting] |
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| ǂb Dimensions |
The measurements of the material configuration (e.g., 35 mm for film, 90 min. for cassette tape, 11 x 15 cm for microfiche, and 12 in. for audio disc).
| 340 |
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ǂb 20 cm folded to 10 x 12 cm |
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| ǂc Material applied to surface |
The physical substance applied to the material base (e.g., ink, oil, paint, tempera, or a specific photographic emulsion such as albumen). For a list of RDA-controlled terms, see RDA Material.
| 340 |
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ǂc charcoal ǂ2 rdamat |
| 340 |
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ǂ3 self-portrait ǂc colored inks |
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| ǂd Information recording technique |
The means or technique used to record the information in or on the material base (e.g., cut, embossed, molded, pressed, punched, thermofax, and x-ray). For a list of RDA-controlled terms, see RDA Production Method.
| 340 |
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ǂd handwritten |
| 340 |
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ǂd typed |
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| ǂe Support |
The physical material on which or in which records are mounted, bound, or otherwise supported. For a list of RDA-controlled terms, see RDA Material.
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| ǂf Reduction ratio value |
A specific indication of the size of a micro-image in relation to the original from which it was produced. Most commonly, it is expressed numerically as a reduction ratio (e.g., 16:1, 90:1) or as a magnification value (e.g., 16x, 90x). For such designations expressed in general terms, use subfield ǂq.
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| ǂg Color content |
Color characteristics of the content of a resource. Achromatic values (white, gray, and black) are considered to be colors. For a list of RDA-controlled terms, see RDA Colour Content.
| 340 |
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ǂg monochrome ǂ2 rdacc |
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| ǂh Location within medium |
The location of the described materials within the material base and configuration (e.g., band on a disc, page of a book, track of an audiocassette, and frame number of slides).
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| ǂi Technical specifications of medium |
Access requirements involving technical equipment.
| 340 |
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ǂi Ibord Model 74 tape reader |
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| ǂj Generation |
The relationship between an original carrier and the carrier of a reproduction made from the original (e.g., a first generation camera master, a second generation printing master). For a list of RDA-controlled terms, see RDA Generation.
| 340 |
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ǂj original ǂ2 rdagen |
| 340 |
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ǂj printing master ǂ2 rdagen |
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| ǂk Layout |
The arrangement of text, images, etc., in a resource. For a list of RDA-controlled terms, see RDA Layout.
| 340 |
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ǂk double sided ǂ2 rdalay |
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| ǂl Binding |
A method used to bind a published or unpublished resource, or other binding information. May be recorded using a controlled term or other structured description. For a list of RDA-controlled terms, see RDA Type of Binding. Additional unstructured (or textual) information on binding may be recorded in field 563.
| 340 |
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ǂl saddle stitch binding ǂ2 rdatb |
| 340 |
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ǂl Coptic bindings ǂ2 aat |
| 340 |
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ǂl Corrugated board bindings (Binding) ǂ2 rbmscv |
| 340 |
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ǂl Painted paper bindings (Binding) ǂ2 rbmscv |
| 340 |
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ǂ3 teacher edition ǂl case binding ǂ2 rdatb |
| 340 |
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ǂ3 coursebook ǂl perfect binding ǂ2 rdatb |
| 340 |
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ǂ3 workbook ǂl spiral binding ǂ2 rdatb |
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| ǂm Book format |
The result of folding a printed sheet to form a gathering of leaves (e.g., a sheet folded once to form a folio, twice to form a quarto, three times to form an octavo). For a list of RDA-controlled terms, see RDA Bibliographic Format.
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| ǂn Font size |
The size of the type used to represent the characters and symbols in a resource. Font size may be expressed in general terms (e.g., large print), by specifying in addition the dimensions of the type measured in points (e.g., 20 point), or both. For a list of RDA-controlled terms, see RDA Font Size.
| 340 |
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ǂn giant print ǂ2 rdafs |
| 340 |
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ǂn 36 point |
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| ǂo Polarity |
The relationship of the colors and tones in an image to the colors and tones of the object reproduced (e.g., positive, negative, or mixed polarity). For a list of RDA-controlled terms, see RDA Polarity.
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| ǂp Illustrative content |
General and/or specific indication of the type or types of illustrative content present in a resource. For a list of RDA-controlled terms, see RDA Illustrative Content.
| 340 |
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ǂg polychrome ǂ2 rdacc |
| 340 |
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ǂp illustration ǂ2 rdaill |
| [The resource has color illustrations] |
| 340 |
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ǂg polychrome ǂ2 rdacc |
| 340 |
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ǂp map ǂ2 rdaill |
| [The resource has color maps] |
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| ǂq Reduction ratio designator |
A general description of the size of a micro-image in relation to the original from which it was produced (e.g., low reduction, ultra high reduction). For a list of RDA-controlled terms, see RDA Reduction Ratio Designation. For such designations expressed in specific numerical terms, use subfield ǂf.
| 340 |
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ǂ3 case files ǂq high reduction ǂ2 rdarr |
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| ǂ0 Authority record control number or standard number |
For information about subfield ǂ0, see Control Subfields. |
| ǂ1 Real World Object URI |
For information about subfield ǂ1, see Control Subfields. |
| ǂ2 Source |
Identification of the source of the term when it is from a controlled list. For more information about subfield ǂ2, see Control Subfields.
| 340 |
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ǂk double sided ǂ2 rdalay |
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| ǂ3 Materials specified |
For information about subfield ǂ3, see Control Subfields.
| 340 |
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ǂ3 case files ǂa aperture cards |
| 340 |
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ǂ3 case files ǂb 9 x 19 cm |
| 340 |
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ǂ3 case files ǂd microfilm |
| 340 |
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ǂ3 case files ǂf 48x |
| 340 |
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ǂ3 case files ǂf high reduction ǂ2 rdarr |
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| ǂ6 Linkage |
Data that link fields when non-Latin script is entered. This subfield is system supplied and does not appear in OCLC online displays. Do not manually add subfield ǂ6. For more information about subfield ǂ6, see Control Subfields. |
| ǂ8 Field link and sequence number |
For information about subfield ǂ8, see Control Subfields. |
Punctuation |
For records containing or omitting punctuation, follow these instructions:
- Include incidental punctuation needed within any subfields, e.g., commas, periods (following abbreviations or initials), etc.
- Omit punctuation preceding each subfield unless the preceding subfield ends with an ellipsis, exclamation point, hyphen, period (following an abbreviation or initial), question mark, closing bracket, or closing parenthesis
- Omit the terminal period at the end of the field unless the last word is an abbreviation or initial
For more information on punctuation, including OCLC policy, see section 2.8, Punctuation. |
Indexing |
For indexing and searching information, see Searching WorldCat Indexes, field 340. |
MARC 21 |
For more information, including content designator history, see MARC 21 Format for Bibliographic Data, field 340. |
