Ccm module 14. Linking relationships (Fields 765-787, 580)




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14.4 Linking to monographs and integrating resources




14.4.1 Introduction.

Most commonly, the relationships are sequential, and expressed in MARC 21 by linking fields 780 and 785. Although RDA Appendix J.2.6 and Appendix J.3.6 list appropriate relationship designators that may be used to relate sequential works and expressions, CONSER practice is not to use $i in fields 780 or 785, but rather to express relationships through a combination of the field tags and the meaning inherent in the second indicators. 17


RDA recommends that sequential relationships between different serial works or expressions use “Continues” (MARC 780 00), “Continues in part” (MARC 780 01), “Continued by” (785 00), “Continued in part by” (785 01).
For sequential relationships that involve monographs and/or integrating resources, but not serials, the terms “Supersedes “(780 02, 780 03) or “Superseded” (785 02, 785 03) are preferred. RDA is silent on which relationship designators should be preferred when the relationship is between a serial and a monograph, or between a serial and an integrating resource (RDA Appendix J.2.6, J.3.6). Catalogers should express the relationship by using whichever of the above MARC 21 indicators with fields 780 and 785 that they consider most appropriate.

14.4.2. Monographs.


Whenever there are multiple monograph records for different editions, the link can only be made to the immediately preceding or succeeding monograph edition. Cases where such links are made include conference publications where changes in cataloging treatment result in serial records that continue or are continued by monograph records (LC PCC PS 2.1). Another case would be a serial supplement to a separately cataloged monograph, whenever the supplement can be used independently of the main resource. A third case is a legal publication first issued as a monograph with pocket parts or other supplementation. At some point, the publisher decides to discontinue the supplementation, and changes the publication to a serial.

Complex relationships between publications are often better expressed in a 580 note, rather than through use of the MARC coding or the $i of the linking entry field.




245

00

$a Biographical directory of the American Congress.

310

##

$a Every four years

780

00

$t Biographical directory of the United States Congress, 1774-1989 $w ...




245

00

$a Higher education prices and price indexes ... supplement.

310

##

$a Annual

580

##

$a Supplements the monographs: Halstead, D. Kent, 1930- . Higher education prices and price indexes, 1975-<1981>; and Halstead, D. Kent, 1930- . Inflation measures for schools and colleges, 1983-

772

0#

$a Halstead, D. Kent, 1930- . $t Higher education prices and price indexes $w ...

772

0#

$a Halstead, D. Kent, 1930- . $t Inflation measures for schools and colleges $w ...


14.4.3. Integrating resources.


Integrating resources present different challenges as the titles can change over time necessitating changes to the links. Make links between serials and integrating resources, particularly when they constitute different expressions of the same work, or are closely related works.


110

2#

$a Ohio EPA.

245

10

$a OhioEPA / $c State of Ohio, Environmental Protection Agency.

310

##

$a Two numbers a year, $b 1992-

321

##

$a Annual, $b 1991-

580

##

$a Continues a loose-leaf published in 1988 with the same title.

780

00

$a Ohio EPA. $t OhioEPA $w (OCoLC)18910259 {a serial that continues an integrating resource (updating loose-leaf)}


14.5 When not to link




14.5.1. The relationship is too vague or unclear.18




The publication mentions another serial but it is not clear what relationship exists between the two serials.



A record is found in the database whose title is similar, but it is unclear whether the two are really related.



A record is found in the database which appears to be related sequentially to the title being cataloged, but there are no dates in the record and it is unclear whether the publication preceded or succeeded the publication being cataloged or whether there have been intervening changes.


14.5.2. Related serials for which the title is the same and there is no online record.

In cases where a note is not to be generated from a link and there is no record in the catalog to be cited, a linking entry field would serve no useful purpose and may be omitted. This is most often the case for reproductions of the original such as reprints and microforms.




245

03

$a La ilustración ecuatoriana.

580

##

$a Originally published biweekly (later weekly): Quito : Publisher not identified.

14.5.3. The related serial is not separately cataloged.


If a portion of the serial has a separate title, this may be mentioned in a note and given an analytical added access point; however, do not link to the title if it does not or did not at one time also exist as a separate publication.

245

00

$a McGraw-Hill's health business.

525

##

$a Has separately paged inserts: Trends in health business; and: Data in health business,

740

02

$a Trends in health business.

740

02

$a Data in health business.

14.5.4. Brother sister relationships.


When several serials are equally related to another serial, link them to the other serial but not to each other. For example, link a parent record to its supplements and the supplements to the parent, but do not link the supplements to one another. Apply this also to serials that result from the split of a single title, microfilm and microfiche versions of a serial, and any other relationship where two or more serials are equally related to another serial.


14.5.5. Related serial is acting only as publisher.


If the editors of one serial act as the publisher for another serial, or if a publishing company publishes one serial for another, do not link the two serials. Instead, an authorized access point for the serial that is the publisher may be given.


130

0#

$a Traditions (New York, N.Y.)

245

10

$a Traditions.

264

#1

$a New York, NY : $b Diamandis Communications, $c [1990]-

500

##

$a At head of title: Woman's day.

730

0#

$a Woman's day.


14.6. Summary




Determine first whether there is a true linking relationship.



Link only to other resources that are or would be separately cataloged.



When the related resource is cataloged online use the authorized access point found in the related record, even if the related record is not RDA. It is the cataloger’s decision whether or not to recatalog the related resource in RDA.



Give the preferred title (130) and/or title proper (245 $a, $n, $p) in subfield $t.



Use a 580 note and a link when the note that would be generated from the link is not sufficient.



Do not link to another resource if the relationship is unclear or uncertain.



Links may be made to monographs and integrating resources.




1 There is also a "vertical" relationship that exists between the parts and the whole, such as from a journal to the articles contained within each issue. Field 773 (Host item entry), which is used to link vertically, is defined in the MARC 21 format but is not presently used in CONSER records.

2 Relationships with monographs include conferences and other works where earlier or later issues are treated monographically.

3 An example of a relationship to an integrating resource would be a serial directory that is no longer issued in print and becomes an updating directory online.

4 The rules governing recording relationships between works, expressions, manifestations and items are found in RDA chapter 24. RDA Appendix J lists relationship designators used for that purpose. RDA Appendix J.1, General Guidelines on Using Relationship Designators, states: “If the relationship element is considered sufficient for the purposes of the agency creating the data, do not use a relationship designator to indicate the specific nature of the relationship.” The PCC Policy Committee’s Relationship Designators in Bibliographic Records guideline 14 states: “If a cataloger wishes to indicate a known relationship to a known resource, and the $i relationship information subfield is defined for the MARC 7XX field being used, provide a relationship designator. Do so even if the field coding otherwise already expresses a relationship.” Although $i relationship information is defined for MARC 21 Bibliographic 780 and 785 fields, CONSER participants do not include $i relationship designators in these fields at this time.

5 Some serial relationships will require the use of field 580 as well. In this chart "X" denotes the variable indicator value.

6 Superceded and supercedes relationships are typically used with legal resources, e.g., when an updating loose-leaf is continued by a serial. See also CCM Module 35. Integrating Resources.

7 The 2005 Final Report of the PCC Standing Committee on Automation Task Group on Linking Entries discussed the use of the linking entry fields to display the full history of a serial publication.

8 The concept of the uniform title as defined in AACR2 is no longer used in RDA. Nevertheless, MARC 21 Bibliographic fields 240/130 are defined as uniform title fields for use when additions to the title proper must be accommodated. MARC 21 Bibliographic fields 240/130 accommodate RDA 6.27.1.9, Additions to Access Points Representing Works. RDA 0.2 states: “A key factor in the design of RDA has been the need to integrate data produced using RDA into existing databases developed using AACR and related standards.”

9 Note that field indicator values in fields 780 and 785 were defined prior to implementation of $i of the linking entry field, and there was no room in these fields for indicator value “8.” See footnote 7 for more information.


10 As a result of the discussion at the CONSER Operations Meeting in 2006 and a decision made at the 2008 Operations Meeting (http://www.loc.gov/aba/pcc/conser/meetings/documents/CONSER-opco-summary-2008.pdf), members agreed to change the practice of setting the first indicator in the link to “1” (do not print a note) when using a 580 note and a linking entry field, since it can interfere with hyperlinking to other records in many systems. The first indicator of the linking entry field is coded 0 whether or not a 580 field is present.

11 See 1.3.5 for more information on use of field 530.

12 See footnote 11.

13 Under earlier rules, prior to AACR2 when the numbering started over the term "supersedes" and "superseded by" were used but “Continues” and “Continued by” are now preferred.

14 The phrase "Formed by the union of" has also been used for this type of linking relationship.

15 For a method of listing multiple supplements in one linking field see the CEG, Linking entry fields--general information.

16 Some libraries choose not to separately catalog electronic serials and use the CONSER single record approach (see CCM 31.2.3.A.)

17 This practice is subject to change. Although $i is defined for 780 and 785 like the other lining entry fields, 780 and 785 do not have the second indicator 8 defined as “No display constant generated.” CONSER will need to evaluate the consequences of using subfield $i without the display constant generator.


18 When considered useful, CONSER catalogers can explain the situation in field 588, e.g.:

588 ## Cannot determine the relationship to Bowling illustrated, also published in New York, 1952-58. ‡5 DLC



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