<hi xmlns="http://www.tei-c.org/ns/1.0" rendition="#i">edition humboldt digital</hi> not only reuses external data and web services, but in turn makes its data available under the free <ref xmlns="http://www.tei-c.org/ns/1.0" target="https://creativecommons.org/licenses/by-sa/4.0/">Creative Commons license CC BY-SA 4.0</ref> via an interface and as an independent <ref xmlns="http://www.tei-c.org/ns/1.0" target="https://doi.org/10.5281/zenodo.13752841">data publication</ref>.