
However, repeat subfield ǂa if subfield ǂf intervenes. Enter multiple adjacent phrases in the same subfield ǂa. ǂ3 poems ǂa 1 ǂf page ǂc 37 x 50 cm, folded to 13 x 19 cmĭo not repeat subfield ǂa if you are entering multiple number sequences. 300ģ6 unnumbered pages : ǂb color illustrations ǂc 26 cmĩ microfiches : ǂb negative ǂc 11 x 15 cmġ1 volumes : ǂb illustrations ǂc 16-22 cmĥ7 items : ǂb illustrations ǂc 23 cm or smallerĦ microfilm reels : ǂb negative ǂc 35 mmġ9 volumes (approximately 2500 items) ǂc 29 x 23 cm or smaller
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If you separately code the type of unit in subfield ǂf, subfield ǂa contains only the numeric extent designation. 300ġ atlas (269 pages) : ǂb color illustrations, color maps ǂc 31 x 43 cmġ globe : ǂb color, wood, mounted on metal stand ǂc 12 cm in diameterĢ0 maps on 16 sheets : ǂb color ǂc 51 x 86 cm or smallerįor manuscripts, use subfield ǂa for the number of leaves, pages, items, containers, volumes, or linear feet. + ǂe 1 guide (10 pages 10 x 23 cm)ġ computer disc : ǂb sound, color ǂc 4 3/4 in.įor maps, use subfield ǂa for the number of physical units.Įnter the appropriate term from the list of carrier types preceded by the number of physical units in Arabic numerals. 300ġ computer disc : ǂb sound, color ǂc 3 1/2 in. 300įor computer files, use subfield ǂa for the number of physical units.Įnter the appropriate term from the list of carrier types preceded by the number of physical units in Arabic numerals. Precede the carrier by the number of physical units in Arabic numerals for publications that are complete. 300ġ5 pages of illustrations, 15 pages ǂc 27 cmįor continuing resources, use subfield ǂa for the number of physical units.Įnter the appropriate term from the list of carrier types. Xi, 297 leaves : ǂb illustrations (some color) ǂc 23 cmġ online resource (iii, 447 pages) : ǂb illustrationsĮnter combined statements of pagination and illustrative matter in subfield ǂa. Ix, 96 pages, 8 pages of plates : ǂb illustrations ǂc 22 cm Xxiv, 476 pages, 6 unnumbered leaves of plates : ǂb illustrations (chiefly color) ǂc 23 cmĥ volumes (xx, 2537 pages) : ǂb illustrations ǂc 26 cmĪpproximately 3400 pages : ǂb maps ǂc 29 cmĨ volumes in 5 : ǂb illustrations ǂc 23 cmġ1 folded leaves : ǂb illustrations, 1 map ǂc 28 cmĢ6, that is, 52 pages : ǂb color illustrations ǂc 20 cm

300Ģ6 unnumbered pages : ǂb color illustrations ǂc 26 cm Maps ǂc 82 x 76 cm, folded to 23 x 11 cmįor books, use subfield ǂa for the number of pages and/or number of volumes.
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In records formulated according to ISBD principles, subfield ǂa includes all data up to and including the next mark of ISBD punctuation, e.g., a colon, a semicolon, or a plus sign, whether included or not.įor multipart items that are not yet complete, enter the appropriate term for the carrier without the number. The 2nd indicator position is undefined and contains a blank.ĭescriptions of subfields ǂa, ǂb, ǂc, and ǂe and examples are listed by format. The 1st indicator position is undefined and contains a blank.

Prefer use of RDA forms when adding or editing elements of field 300, e.g., spelling out non-transcribed abbreviations, except those that represent measurements of time and physical dimensions.įor guidance on describing and encoding the attributes of audio recording carriers, see “Supplement 1” of the Music Library Association’s Supplements to Best Practices for Music Cataloging Using RDA and MARC21. WorldCat accommodates both RDA and AACR2 bibliographic records. RDA and AACR2 bibliographic records in WorldCat generally follow ISBD principles for description and punctuation. In records formulated following cataloging rules based on International Standard Bibliographic Description (ISBD), a relationship exists between prescribed ISBD punctuation and the identification of specific subfield data. Use field 300 also for other physical details of the item and information concerning accompanying material.įor information on punctuation, see the Punctuation section below. The physical description of the item including the extent of the item and its dimensions. Optional/Optional (Archival and rare materials only) Subfields (R=Repeatable NR=Nonrepeatable) Required if applicable/Required if applicable


