The Online Books Page


We are now automatically creating MODS records for our Online Books Page listings. This is being done initially to share records in the Digital Library Federation's Aquifer initiative. The records may also be used for other purposes.

The metadata records used by The Online Books Page are not as detailed as those that typically appear in a library catalog, but they give more detail that simple Dublin Core does. Representing these records in MODS as required by Aquifer may in some cases involve our script inferring MODS elements that are not fully supported in the underlying record. If you have any questions about the MODS records that result from these transformations, please contact us at the address below.

Notes on inferred fields

Some of the information required in the DLF Aquifer MODS profile is not explicitly recorded in Online Books Page records. Therefore, some of the required fields are automatically inferred based on metadata we do record. In some cases, these inferences may be incorrect, but we strive for as much accuracy as possible while still conforming to the Aquifer profile. Below are some notes on the inferences we make.

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