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Historical view of the Former Archives Building, showing the façade prior to the perpendicular three-storey addition, circa 1923.

National Archives of Canada / Archives nationales du Canada, PA-34242.

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Exterior view of the Former Archives Building, showing the consistent use of fireproof materials such as fire-retardant brick, terra cotta, steel, iron, concrete and plaster.

National Archives of Canada / Archives nationales du Canada, C-15204.

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Historical view of the Grey Room of the Former Archives Building, circa 1930.

National Archives of Canada / Archives nationales du Canada, C-20735.