# union catalog

> combined library catalog describing the collections of a number of libraries

**Wikidata**: [Q526334](https://www.wikidata.org/wiki/Q526334)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Union_catalog)  
**Source**: https://4ort.xyz/entity/union-catalog


## References

1. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
2. Health Sciences Descriptors
3. Freebase Data Dumps. 2013
4. Medical Subject Headings
5. Art & Architecture Thesaurus
6. Nuovo soggettario
7. YSO-Wikidata mapping project
8. WikiUMLS: Aligning UMLS to Wikipedia via Cross-lingual Neural Ranking
9. UMLS 2023
10. General Finnish Ontology
11. National Library of Israel Names and Subjects Authority File
12. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)