For researchers and collection staff tracing a book, journal, manuscript, or media item across institutions. Paste catalog entries or holdings data to compare editions, see which libraries report copies, and spot missing years or formats. Get a holdings comparison, a targeted search plan, or a collection-gap summary for your next catalog search or resource-sharing request.
Global Holdings
Compare library and archive holdings to locate editions, copies, and collection gaps.
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What it writes
- Edition-by-edition holdings comparison
- Missing-volume and year list
- Targeted catalog search plan
How to use it
Include ISBNs or ISSNs, edition and publication year, plus the institution name beside each holdings record. That lets the comparison separate similar editions and pinpoint missing volumes or formats.
What you bring
- Titles, authors, ISBNs, or ISSNs
- Catalog records or holdings data
- Relevant years, editions, or formats
- At least one title, author, or identifier
A good fit for
- Searching for a rare title across several library catalogs
- Checking journal run gaps before an interlibrary loan request
- Comparing regional holdings before a collection purchase
Ways to start
A few requests this Agent can handle.
Compare these catalog records for the 1968 first edition of The Left Hand of Darkness and tell me which entries appear to describe the same edition.
Here are holdings for the Journal of African History from four universities. List the missing volumes and years at each library.
We are considering buying a print run of this 2021 poetry collection. Compare these holdings from nearby public libraries and flag areas with few copies.
Good to know
This workspace provides text assistance.
- Live searches of library or archive catalogs
- Confirming current copy status or lending eligibility
- Comparisons rely only on catalog data you paste here.
- Holdings may have changed since records were captured.
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