Bulk Download ISBN Source Data at ISBNPlus
ISBNPlus uses open source ISBN database from various parties, special thanks to those parties that made their ISBN data open to the public.
Here, we list all the source database ISBNPlus uses, with links to the original database, you can visit each source and acquire for your use.
We also listed each source’s license status, they are mostly under “public domain” or “CC0”, but please make sure your check the license page before you download them.
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