Dates in Bibliographic Records

Report
Dates in Bibliographic
Records
Books
Where do you start?
 Where
on a book do you usually find
publication and/or copyright date
information?
Title
page and/or t.p. verso
If it’s not there…
 Use
the part of the item giving the most
complete information (cover, caption,
title page substitute, colophon, etc.)
What are you looking for?
 What
is the first date to look for when
matching?
Publication
date
What else?
 If
there is no publication date, what do
you look for next?
Copyright
date
How can you tell?
 How
do you know the difference between
a copyright date and a publication date?
Copyright
symbol (©) or the word
copyright in front of the date
Copyright dates
 Your
book has a copyright date of 2010
for the text and a copyright date of 2012
for the cover illustration. Which do you
use for matching?
Copyright
date of the text
Unless…
There
is evidence this is a new edition
Illustration
copyright date may be
used as an implied publication date
and will appear in the bibliographic
record in brackets: [2012]
Multiple copyright dates
 Your
book has no publication date, but
has: ©2005, 2007, 2009. Which
copyright date do you use?
Copyright
date 2009
Unless…copyright renewal dates
 Your
book has: ©1945, ©renewed 1992. Which
date do you use?
©1945.
For works copyrighted before 1978,
ignore the copyright renewal date and use
the original date
 Your
book has: ©1985, ©renewed 1992. Which
date do you use?
©1992.
For works copyrighted after 1977,
use the copyright renewal date
Future dates
 You’ve
received a newly-published
book by a best-selling author. The t. p.
verso has ©2015. Is it okay to have a
future date in a bibliographic record?
Yes
Printing dates
 Your
book has a publication date of 2012
and a printing date of 2013. Which date
do you use for matching?
Publication
date. Printing dates are
usually ignored
Unless…
 Your
book has no publication or copyright
date, but has a first printing date of 2013
2013
may be used as an implied
publication date, and will appear in the
bibliographic record in brackets: [2013]
Or…
A
printing statement implies a new publication,
even if there is no publication date. Often seen
with Scholastic: First Scholastic printing, March
2005 (usually on the t.p. verso)
First
printing date may be used as an implied
publication date and will appear in the
bibliographic record in brackets: [2005]
What if there’s no date?
 Recorded
differently in the record
depending on cataloging rules used
Pre-AACR: [n.d.]
RDA: [Date of publication not identified]
AACR: Cataloger supplies a date,
entered in brackets
Cataloger-supplied dates (AACR)
 Dates
will be in brackets, and may be followed by
a question mark
 [2012]
 Implied
publication date based on available information, i.e,
printing date
 [2012?]
 Estimated
date—cataloger made their best guess
 [199-]
 Publication
in the 1990s, not sure what year
 [19--?]
 Estimated
publication sometime in the 1900s
MARC coding for dates -- AACR

MARC tag 260, subfield c

If publication date and copyright date are the same, record only
the publication date
 260

$aNew York :$bOxford University Press,$c2012.
If publication date and copyright date are different, will often see
both
 260
$aNew York :$bOxford University Press,$c2012, c2010.
 Copyright

date is preceded by lower case c
Implied or estimated dates are in brackets
 260
$aZion, IL :$bZion Historical Society,$c[2005?]
MARC coding for dates -- RDA


MARC tag 264, subfield c
Publication and copyright dates are recorded in separate fields
 264
1 $aChicago :$bLion Publishers,$c2012.
 264
4 $c©2010
 Copyright date is preceded by copyright symbol or the word
copyright (transcribe from item)
 No

ending punctuation
Publication date is a core element in RDA. If no publication date is
present, but there is a copyright date, the copyright date is
recorded in brackets as an implied publication date
 264
1 $aChicago :$bLion Publishers,$c[2012]
 264
4 $c©2012
MARC coding for dates – Fixed fields

Coded based on the dates in 260 or 264 subfield c

Type of Date (Polaris) / DtSt (OCLC)
 Code
that categorizes type of date, i.e., s for single
date, or t for publication and copyright date

Date 1 and Date 2 (Polaris) / Dates (OCLC)
 Enter
publication date in first date box
 Enter
copyright date in second date box

Check these when editing records – dates in the fixed
field affect searching!

Make sure the fixed field and the 260 or 264 match
Changing dates in records
 Your
new book has a publication date of 2014.
There is a CIP record in OCLC with Encoding
Level 8 that matches your book except that the
publication date is 2013. Is it okay to change
the date in the record to match your book?
Yes,
you may upgrade a CIP record to match
the item in hand. (Don’t forget the fixed
field!)
Changing dates in records
 Your
new book has a publication date of 2014.
There is a full-level record in OCLC with
Encoding Level I that matches your book except
that the publication date is 2013. Is it okay to
change the date in the record to match your
book?
No,
no, a thousand times, no!
Unless…
 It
can be determined that there truly is an
error in the bibliographic record
Questions?
 Dates
help!
can be tricky – call us if you need

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