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Input separate records to represent different editions of bibliographic works. Input separate records to represent different issues of an edition whenever there are significant differences in the bibliographic description.
Be careful not to confuse information pertaining only to a base map with information representing the edition in hand.
When items that appear to have been printed from the same engraving plate and are, therefore, identical in every aspect except coloration, variations in coloration are recorded in a note and the items are treated as a match. When comparing an item with copy, closely examine the bibliographic description (fields 245-5XX).
Map series: A change in title among parts of a map series does not justify a new record. Catalog a map series as an open entry unless there is evidence that it is closed. Occasionally a publisher may issue a map series in which the individual parts bear differing edition statements and are revised and reissued independently. In such cases, only one map series record should exist.
The criteria which justify a match are discussed on a field by field basis. Differences which indicate a non-matching situation usually occur in more than one field. When a difference occurs in only a single field, use judgment to determine whether there are two separate bibliographic items with only one significant difference or whether the difference is due to error.
010
Absence or presence of an 010 does not justify a new record. A difference in control numbers issued by the same agency may be an indication that a new record is needed. Compare 245-5XX for other differences.
020
Absence or presence of an 020 does not justify a new record. A difference in 020 alone does not justify a new record. Compare 245-5XX for other differences.
086
1XX
245 |a |n |p
The following differences do not justify a new record:
Absence of, presence of, or difference in bracketed information (e.g., difference in supplied title), capitalization, diacritics, ellipses, initial articles, punctuation, or special characters.
Variation resulting from difference in chief source of information.
Variation resulting from difference in selection of title proper (e.g., Keats' poetry vs. Poetry).
Variation in length resulting from judgment of what constitutes the title proper (e.g., a difference in the placement of |b).
Absence of, presence of, or difference in expanded forms of non-English abbreviations, numerals, etc.
Specific differences in the wording of the title proper (other than those noted above) justify a new record.
245 |b
Absence or presence of 245 |b does not justify a new record. Other title information may be present in 245 |b , 500 or omitted.
245 |c
Absence or presence of 245 |c does not justify a new record. Statements of responsibility may be present in 245 |c, 500 or omitted. A change in the responsibility for a work among parts of a map series does not justify a new record. Specific differences in the statement of responsibility, other than those noted, justify a new record.
250 |a
The following differences do not justify a new record:
Variation in position of edition information in the record (e.g., 250 vs. 500).
Absence or presence of "book club edition" statements when that is the only difference.
Absence or presence of "first edition" statements when that is the only difference.
Absence or presence of "paperback edition" statements when that is the only difference.
The following differences justify a new record:
Variation in numbered edition statements (e.g., 2nd ed. vs. 3rd ed.).
Variation in "draft," "preliminary," "revision," etc. statements.
Variation in statements indicating abridgment, enlargement, etc.
Variation in statements indicating a difference in content (e.g., Teacher's ed. vs. Student ed.).
Variation in statements indicating geographic coverage (e.g., Midwest ed. vs. Western ed.).
Variation in statements indicating language content (e.g., Spanish ed. vs. Italian ed.).
Variation in date designation associated with edition (e.g., Draft, Jan. 1989 vs. Draft, May 1989).
Variation in description among issues of an edition that indicate a difference in content, e.g., illustrated vs. non-illustrated, certain sections present or absent, etc.
Edition statements appearing on some foreign language publications (e.g., Romance language imprints) reflect printing information rather than edition information. If the edition statement appears in conjunction with the printer's name or the number of copies printed, generally consider the edition statement to reflect printing information and use the existing record. In all other cases, use judgment. If in doubt, use the existing record.
250 |b
Absence or presence of 250 |b does not justify a new record. A difference may be an indication that a new record is needed. Compare 245 through 5XX for other differences.
255
Absence or presence of 255 does not justify a new record. Specific differences in scale or coordinates, except for minor variations, justify a new record. If in doubt, compare 245 through 5XX for other differences.
260 |a
Absence or presence of 260 |a does not justify a new record. The following differences do not justify a new record:
Absence or presence of a place of publication when known only from an outside source (e.g., [Ohio?] vs. [S.l.]).
Variation in the form of the name of the place (e.g., Cologne vs. Koln).
Change of place within the same country between printings of the same edition.
Change of place among issues or parts of a map series item.
Variation in choice of place for items with more than one place of publication (e.g., if an item is published in London and New York, a British library would record only London, but a U.S. library would record London and New York).
Variation in multiple places of publication as long as the first place is the same (e.g., an item published in Denmark may show only Kobenhavn, but the same item issued in the U.S. shows Kobenhavn and Philadelphia).
Specific differences in the place of publication (other than those noted) justify a new record.
260 |b
The following differences do not justify a new record:
Absence or presence of a publisher when known only from an outside source (e.g., [A.B. Smith] vs. [s.n.]).
Variation in fullness of the publisher's name (e.g., John Wiley & Sons vs. Wiley).
Change of publisher among issues or parts of a map series item.
Variation in choice of publisher for an item having more than one.
Absence or presence of multiple publishers, distributors, etc., as long as one on the item matches one on the record and vice versa.
Specific differences in the publisher (other than those noted) justify a new record.
260 |c
The following differences do not justify a new record:
Absence or presence of a publication or copyright date.
Variation in printing, manufacture, or distribution date alone.
Variation in copyright dates if the publication dates are the same.
Variation in opening and closing dates for incomplete map series items.
300
The following differences do not justify a new record:
Variation in recording data because of different cataloging rules.
Variation in preliminary paging, post paging, or separate numbering.
Minor variations in paging when that is the only difference.
Variation in the number of parts for an incomplete map series item (e.g., record indicates 5 v. and the library now has v. 6-7).
Variation caused by local binding.
Minor variations because of bracketed or estimated data.
Variation in paging because of a section (e.g., an index being numbered in one printing and unnumbered in another printing).
Specific differences in the extent of item (other than those noted) justify a new record.
300 |b
Absence or presence of 300 |b alone generally does not justify a new record.
300 |c
Minor variations in size because of different measurement techniques or folded dimensions do not justify a new record.
300 |e
4XX
Absence or presence of 4XX does not justify a new record. The following differences do not justify a new record:
Variation in form of series statement.
Variation in tracing decision or form (e.g., 440 vs. 490 with 830).
Absence of, presence of, or difference in series statement of responsibility.
Change of series among issues or parts of a map series item. If the item is issued in a different series, a new record is justified.
5XX
Absence or presence of 5XX, other than those noted below, does not justify a new record. Notes indicating differences in the language, edition, format, or content of the item may be an indication that a new record is needed. Use judgment. Notes relating solely to holdings, in-house binding and other imperfections, etc., should be treated as local information and do not justify a new record. Notes indicating the presence of accompanying material do not justify a new record. Other differences in 5XX do not justify a new record. If in doubt, compare 245 through 4XX for other differences.
505
Absence or presence of 505 does not justify a new record. A contents note showing less complete contents or coverage does not justify a new record. A contents note showing actual differences in the content of the item justifies a new record. If in doubt, compare 245 through 5XX for other differences.
507
Use the criteria under 255.
533/593
6XX
Absence of, presence of, or difference in 6XX does not justify a new record.
7XX
Absence of, presence of, or difference in 7XX (other than the following) does not justify a new record.
8XX
Absence of, presence of, or difference in 8XX does not justify a new record.
