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kirke frogner riksarkivet oslo kristiania blackandwhite monochrome outdoor building architecture black and white Fotograf Kunstforlaget Mittet ampamp Co. Ukjent Sted Oslo Arkivreferanse Riksarkivet PA EA Beskrivelse Akershus festning eksterir. Url arkivverket.no Fotograf Kunstforlaget Mittet amp Co. Ukjent Sted Oslo Arkivreferanse