The texts and data made available in <hi xmlns="http://www.tei-c.org/ns/1.0" rendition="#i">edition humboldt digital</hi> are versioned, i.e. each published version (usually one per year) of the content is kept available for retrieval. The entire published data stock is always versioned. Thus, the register entries also reflect the links of the respective version (cf. e.g. the entry on Georg Forster in <ref xmlns="http://www.tei-c.org/ns/1.0" target="https://edition-humboldt.de/v1/H0000177?l=en">version 1</ref> compared to <ref xmlns="http://www.tei-c.org/ns/1.0" target="https://edition-humboldt.de/v9/H0000177?l=en">version 9</ref>). An overview of the changes between the versions of <hi xmlns="http://www.tei-c.org/ns/1.0" rendition="#i">edition humboldt digital</hi> is provided by the <ref xmlns="http://www.tei-c.org/ns/1.0" target="https://edition-humboldt.de/about/index.xql?id=H0020382&l=en">version history</ref> introduced with version 8. It also evaluates the number of pages edited, chronology and register entries created, and entity links coded.