Tugthus og Akershus Fæstnings Slaveri, Oslo, Norway GenealogyEdit This Page
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Microfilm at the Family History Library contain parish registers from Oslo prison and Akershus fortress penitentiary. Were separated from Garnison parish in 1838. Records are for 1839-1912. Akershus Festning Slaveri has its own parson from February 8, 1854.
Images of the church books are online at Digitalarkivet.