Many libraries around the world make their Z3950 service freely available for libraries to use as a source for catalogue records or OPAC searching.
Below is a number of libraries that permit schools to freely retrieve bibliographic records from their catalogues using Z39.50. Commercial subscription services are also available for a subscription service, e.g., BDZ, SCIS, Libraries Australia, LoC, WorldCat.
Go to: Configure > Integration > Z3950 > Add ZServer
Monash University:
| State Library Queensland:
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State Library Victoria:
| State Library NSW:
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Library of Congress:
| State Library WA:
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British Library:
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Note: NLA no longer offer free Z3950 access services. The British Library has offered a new free service from February 2026.