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Lngangen nonb digimanus . nb Illustrasjon hentet fra et privatarkiv Nasjonalbiblioteket med tittelen Lngangen av Holger SindingLarsen Institution Nasjonalbiblioteket Creator Holger SindingLarsen nonbdigimanus PDold Architectural drawings of Akershus Fortress Images from Nasjonalbiblioteket Files uploaded by Nasjonalbiblioteketbot