RBMS Policy Statements for extent of manifestation
Prerecording
Recording
Recording an unstructured description
Recording a structured description
Exact number of units not readily ascertainable
Units cannot be named concisely
Units and sets of units with identical content
Number of subunits
Computer discs, cartridges, etc.
Filmstrips and filmslips
Flipcharts
Microfiches and microfilm
Online resources
Overhead transparencies
Stereographs
Videodiscs
Exact number of subunits not readily ascertainable
Subunits in multiple unit manifestations
Incomplete manifestations
Condition Option
Apply the option. See DCRMR 6.21.437.1 .
Describing a manifestation that is a collection
Number of items, containers, or volumes
Storage space
Number and type of unit
Describing a part of a manifestation
Number of units or subunits in a part
Location of a part within a larger manifestation
Extent of manifestations of cartographic works
More than one cartographic unit on one or more sheets
Cartographic units presented in two or more segments
Atlases
Extent of manifestations of notated music
Extent of manifestations of still images
Two or more images on one or more units
One image spanning two or more units
Albums, portfolios, etc.
Extent of manifestations of text
Single unit manifestations
Single volumes with numbered pages, leaves, or columns
Condition Option
Apply the option. See DCRMR 6.21.421.2 .
Condition Option
Apply the option. See DCRMR 6.21.421.2 .
Condition Option
Apply the option. See DCRMR 6.21.421.2 .
Condition Option
Apply the option. See DCRMR 6.21.421.2 .
Condition Option
Apply the option. See DCRMR 6.21.421.2 .
Condition Option
Do not apply the option. See DCRMR 6.21.421.2 .
Condition Option
Cataloger's judgment. See DCRMR 6.21.421.2 , 6.215.421.2 .
Condition Option
Apply the option. See DCRMR 6.21.421.2 .
Condition Option
Apply the option. See DCRMR 6.21.421.3 .
Condition Option
Cataloger's judgment. If applying the option, record the information in Manifestation: note on extent of manifestation. See DCRMR 6.215.4 .
Condition Option
Apply the option. See DCRMR 6.21.421.2 .
Option
Apply the option. See DCRMR 6.21.421.2 , 6.21.421.3 .
Option
Apply the option. See DCRMR 6.21.421.3 .
Option
Apply the option. Also record an explanatory Manifestation: note on extent of manifestation. See DCRMR 6.21.421.3 .
Single volumes with unnumbered pages, leaves, or columns
Condition Option
Apply the option. Record the total number of pages or leaves in Arabic numerals within square brackets followed by the appropriate term. See DCRMR 6.21.425.1 .
Condition Option
Do not apply the option. See DCRMR 6.21.425 .
Condition Option
Apply the option if determining the total number of pages or leaves may damage an item in fragile condition. Record “1 volume (unfoliated)” for a volume with leaves printed on one side only. See DCRMR 6.21.425.2 .
Condition Option
Apply the option. See DCRMR 6.21.421.2 , 6.21.425.1 .
Condition Option
Apply the option. See DCRMR 6.21.421.2 , 6.21.425.1 .
Numbered and unnumbered sequences
Condition Option
Do not apply the option. See DCRMR 6.21.421.1 , 6.21.424.6 .
Condition Option
Do not apply the option. See DCRMR 6.21.421.1 , 6.21.424.6 .
Condition Option
Apply the option. Record unnumbered sequences in Arabic numerals within square brackets followed by the appropriate term. See DCRMR 6.21.4225 .
Condition Option
Do not apply the option. Record unnumbered sequences in Arabic numerals within square brackets followed by the appropriate term. See DCRMR 6.21.4225.1 .
Condition Option
Do not apply the option. See DCRMR 6.21.4225 .
Condition Option
Do not apply the option. See DCRMR 6.21.4225 .
Inessential matter
Option
In some cases, apply the option. Record unnumbered sequences of inessential matter only when they are clearly integral to the manifestation. See DCRMR 6.21.4235.1 .
Condition Option
Apply the option. See DCRMR 6.21.4235.1 .
Condition Option
Do not apply the option. See DCRMR 6.21.4235.1 .
Condition Option
Apply the option. See DCRMR 6.21.4235.1 .
Condition Option
Do not apply the option. See DCRMR 6.21.4235.1 .
Condition Option
Apply the option. See DCRMR 6.21.4235.1 .
Condition Option
Do not apply the option. See DCRMR 6.21.4235.1 .
Change in form of numbering within a sequence
Condition Option
Do not apply the option. See DCRMR 6.21.424.1 .
Condition Option
Apply the option. See DCRMR
6.21.424.1 .Misleading numbering
Option
Do not apply the option. Record the numbering as it appears, followed by "that is," and the correct number in square brackets. See DCRMR 6.21.4245.2 .
Option
Do not apply the option. Record the numbering as it appears, followed by "that is," and the correct number in square brackets. See DCRMR 6.21.4245.2 .
Incomplete volumes
Condition Option
Apply the option. Also record in Manifestation: note on extent of manifestation that the extent is based on an incomplete exemplar. See DCRMR 6.21.428.1 .
Condition Option
Do not apply the option. Record the imperfection as a value of Item: note on extent of item if considered important. See DCRMR 6.21.428.1 , 9.43.3.2 .
Condition Option
Apply the option. Also record in Manifestation: note on extent of manifestation that the extent is based on an incomplete exemplar. See DCRMR 6.21.428.1 .
Condition Option
Do not apply the option. Record the imperfection as a value of Item: note on extent of item if considered important. See DCRMR 6.21.428.1 , 9.43.3.2 .
Pages, etc., numbered as part of a larger sequence
Condition Option
Apply the option. See DCRMR 6.21.424.5 .
Condition Option
Apply the option. See DCRMR 6.21.424.4 .
Condition Option
Do not apply the option. Record the pagination of the larger sequence as a value of Manifestation: note on extent of manifestation if considered important. See DCRMR 6.21.424.4 , 6.215.424.2 .
Complicated or irregular paging, etc.
Condition Option
Cataloger's judgment. Preferably record all of the sequences in the form and order presented. See DCRMR 6.21.424.6.
Condition Option
Cataloger's judgment. Preferably record all of the sequences in the form and order presented. See DCRMR 6.21.424.6.
Condition Option
Cataloger's judgment. Preferably record all of the sequences in the form and order presented. See DCRMR 6.21.424.6.
Condition Option
Apply the option. See DCRMR 6.21.424.6 .
Leaves or pages of plates
Condition Option
Apply the option. See DCRMR 6.21.426.1 .
Condition Option
Do not apply the option. In most cases, record the exact number of leaves or pages of plates. If it is not practical to record all of the sequences, record an estimated number. See DCRMR 6.21.426.2 .
Numbered leaves or pages of plates
Option
Apply the option. See DCRMR 6.21.426.1 .
Option
Apply the option. See DCRMR 6.21.426.1 .
Option
Apply the option. Also make an explanatory Manifestation: note on extent of manifestation. See DCRMR 6.21.426.1 .
Condition Option
Do not apply the option. If a manifestation is numbered as leaves but printed as pages (i.e., leaves numbered on one side but printed on both sides), record the numbering as leaves. See DCRMR 6.21.421.2 , 6.21.4245.2 .
Condition Option
Cataloger's judgment. See DCRMR 6.21.424.1 , 6.215.424.1 .
Unnumbered leaves or pages of plates
Condition Option
Apply the option. Record all unnumbered sequences of leaves or pages of plates. Record unnumbered sequences in Arabic numerals within square brackets followed by the appropriate terms. See DCRMR 6.21.426.1.
Condition Option
Apply the option. Record all unnumbered sequences of leaves or pages of plates. Record unnumbered sequences in Arabic numerals within square brackets followed by the appropriate terms. See DCRMR 6.21.426.1.
Condition Option
Apply the option. Record all unnumbered sequences of leaves or pages of plates. Record unnumbered sequences in Arabic numerals within square brackets followed by the appropriate terms. See DCRMR 6.21.426.1.
Condition Option
Do not apply the option. Record unnumbered sequences in Arabic numerals within square brackets followed by the appropriate term. See DCRMR 6.21.426.1 .
Condition Option
In most cases, do not apply the option. Apply the option only if it is not practical to record the sequence (e.g., if the plates are exceedingly numerous). See DCRMR 6.21.426.2 .
Folded leaves
Condition Option
Apply the option. See DCRMR 6.21.427.1 .
Double leaves
Condition Option
Apply the option. Also record the presence of double leaves in Manifestation: note on extent of manifestation. See DCRMR 6.21.4275.1 , 6.215.4275.1 .
Condition Option
Apply the option. See DCRMR 6.21.4275.1 , 6.215.4275.1 .
Duplicated paging, etc.
Condition Option
Apply the option. Also make an explanatory Manifestation: note on extent of manifestation. See DCRMR 6.21.424.2 , 6.215.424.1 .
Pages numbered in opposite directions
Condition Option
Apply the option. See DCRMR 6.21.424.3 .
Single sheets
Condition Option
Do not apply the option. See DCRMR 6.21.429.1 .
Condition Option
Do not apply the option. Record the extent in the same manner as for a volume. See DCRMR 6.21.422.1 .
Condition Option
Apply the option. See DCRMR 6.21.429.1 .
Condition Option
Apply the option. See DCRMR 6.21.429.2 .
Single portfolios or cases
Condition Option
Do not apply the option. See DCRMR 6.21.4285.1 .
Condition Option
Apply the option. See DCRMR 6.21.4285.1 .
Multiple unit manifestations
Two or more volumes
Condition Option
Apply the option. See DCRMR 6.21.431.1 .
Completed serials
Continuously paged volumes
Condition Option
In most cases, apply the option. However, do not ignore separately numbered sequences of preliminary matter. If there are separately numbered sequences of preliminary matter in volumes other than the first, record the number of volumes only. If considered important, also record the full pagination as a value of Manifestation: note on extent of manifestation. If recording the full pagination in Manifestation: note on extent of manifestation, follow DCRMR instructions for multiple unit manifestations without continuous pagination. See DCRMR 6.21.435 , 6.21.436 .
Individually paged volumes
Condition Option
Cataloger's judgment. See DCRMR 6.21.431.1 , 6.21.436.1 .
Condition Option
Cataloger's judgment. See DCRMR 6.21.436.1 .
Updating loose-leafs
Two or more sheets
Condition Option
Apply the option. See DCRMR 6.21.431.1 .
Two or more portfolios or cases
Condition Option
Apply the option. See DCRMR 6.21.431.1 .
Extent of three-dimensional forms
Recording an identifier
Recording an IRI
Document Date: 2025/09/23
Document: https://access.rdatoolkit.org/en-US_ala-013ea9d9-cdc7-34b4-a401-e785415be89e