Thanks everyone for your responses- especially for pointing out the classify web service, which was new to me.

>In case anyone wants to have a go, here's the ddc/lcsh data I extracted from the LC 2007 retrospective file [1]:
>    http://inkdroid.org/data/dewey-lcsh.gz
>The file contains ddc/lcsh combinations from 2,909,673 records.

Thank you, Ed! Something like that I had in mind. This list might help us with a good part of our records.

Best,
Irina

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Irina Arndt
Max Planck Digital Library (MPDL)
Library System Coordinator
Amalienstr. 33
D-80799 Muenchen, Germany

Tel. +49 89 38602-254
Fax +49 89 38602-290

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http://www.mpdl.mpg.de