IB ISBN

(a limit field)

0309051916 in ib

ib=0309051916

In records from Volume 133 forward, the IB field contains the ten-character International Standard Book Number (ISBN) assigned to original documents that are books. The ISBN identifies the book and facilitates ordering. Do not use hyphens when searching for ISBNs.

Browsing ISBNs

As an alternative to searching with the field label, you can browse ISBNs and search for them directly from the ISBN Field-Specific Index. This field-specific index contains only numbers drawn from the IB field, therefore, your search will always yield results. Search results display in the IB field.