While I am not a really experienced cataloger, there is an option for other
titles to be added in the 245 field. The OCLC Bibliographic Formats and
standards for the 245 field says "If the item lacks a collective title,
input the first title in subfield ǂa. Input subsequent titles in field 245
subfield ǂb, as appropriate." You might want to add the second title in the
245 $b field. Alternatively, you could add the second title in the 246
field (varying form of title).

Linda Zellmer
-- 
Linda Zellmer
Government Information & Data Services Librarian
Liaison to Natural & Physical Sciences & Agriculture
415 Malpass Library
Macomb, IL 61455
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Phone: 309-298-2723 <callto:309-298-2723>
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On Mon, Oct 1, 2018 at 8:33 PM Fry, Michael <[log in to unmask]> wrote:

> Question(s) for you map catalogers out there.
>
> We're doing a retrospective cat project to get all of our old "classic"
> Nat Geo maps cataloged and accessible via OPAC, etc. Many of these maps are
> actually "2 maps on one sheet"--e.g., a physical or thematic of some place
> on one side, and a political or reference map of the same place on the
> other.
>
> In these cases, it's often the case that neither map is more important
> cartographically than the other. So to the extent that MARC necessarily (?)
> forces catalogers to emphasize the "main" map over all others (insets,
> etc.), I want to direct our cataloger to minimize the inequality of
> cataloging and description. To the greatest extent possible, I want/need
> both maps fully described and findable; I don't want one side relegated to
> a few words in a 500 field, for example.
>
> Any tips on how to best accomplish this? I see records in Worldcat for
> some of these maps that put both titles in the 245 field, list 6xx fields
> that appear to cover both sides, etc. Are these legit approaches? Are there
> others you'd recommend?
>
> Thanks very much for your input.
>
> Michael
>
> --
> Michael Fry
> Collections Manager | Map Library Manager
> National Geographic Society Library
> 202.807.3139
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