# Physics Subject Headings

> physics classification scheme for organising content by topic

**Wikidata**: [Q30523272](https://www.wikidata.org/wiki/Q30523272)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/PhySH)  
**Source**: https://4ort.xyz/entity/physics-subject-headings


## References

1. [Source](https://physh.org/licensing)
2. [2018](https://github.com/physh-org/PhySH/releases/tag/1.0.0)
3. [2019](https://github.com/physh-org/PhySH/releases/tag/v1.1.1)
4. [2021](https://github.com/physh-org/PhySH/releases/tag/v2.2.0)
5. [2022](https://github.com/physh-org/PhySH/releases/tag/v2.3.0)
6. [2022](https://github.com/physh-org/PhySH/releases/tag/v2.4.0)
7. [2023](https://github.com/physh-org/PhySH/releases/tag/v2.5.0)
8. [2024](https://github.com/physh-org/PhySH/releases/tag/v2.6.0)
9. [2025](https://github.com/physh-org/PhySH/releases/tag/v2.7.0)
10. [2026](https://github.com/physh-org/PhySH/releases/tag/v2.8.0)