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Old 05-29-2023, 11:12 AM   #3
theducks
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Not exact what you asked for. Maybe you can run with this in the mean time.

This search finds ISBN13

Code:
identifiers:"=isbn:97"
this finds ISBN13 because ISBN13 start with 97

While some books had ISBN10 and ISBN13, not all did and many ISBN10 are different editions, so what does conversion to a nonresistant number get you?


I will bite: Why sort? AFAIK nobody 'shelves' books by ISBN, so the sort has no obvious use.
ISBN was created to aid a bookseller in ordering. They are basically just a serialized order number by Publisher. language-publisher-sequence-check digit (mod10)
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