OptionallinksList of supplementary web resources providing additional context or data.
Optionalaccessed?: IsoDateTimestamp of the last successful verification of the external link.
OptionalarchiveUrl?: UrlStringLink to a persistent web archive to prevent link rot (e.g. https://web.archive.org/).
Optionaldescription?: stringSummary of the information available at the linked location.
Optionallanguage?: LangCodeThe primary language used in the linked resource.
Optionaltitle?: stringDescriptive name of the linked resource.
Direct address of the external web resource.
OptionalwikiGrouping of Wikipedia references across different language editions.
Collection of URLs and structured links to external scientific information.