The indexes on <ref xmlns="http://www.tei-c.org/ns/1.0" target="https://edition-humboldt.de/register/personen/index.xql?l=en">persons</ref>, <ref xmlns="http://www.tei-c.org/ns/1.0" target="https://edition-humboldt.de/register/orte/index.xql?l=en">places</ref> and <ref xmlns="http://www.tei-c.org/ns/1.0" target="https://edition-humboldt.de/register/einrichtungen/index.xql?l=en">institutions</ref> as well as the <ref xmlns="http://www.tei-c.org/ns/1.0" target="https://edition-humboldt.de/register/glossar/index.xql?l=en">glossary</ref> are edited and held in TEI-XML. Each entry has its own unique and permanent ID. In addition to the basic data of an entry, a short description is also provided.