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Source: 'Phone Book - Zagreb 1938 , year 1938.

Source: 'Phone Book - Zagreb 1938 , year 1938.

Source: 'Phone Directory of the Independent State of Croatia 1942 , year 1942.

Source: 'Phone Directory of the Independent State of Croatia 1942 , year 1942.

Source: 'Phone Directory of the Independent State of Croatia 1942 , year 1942.

Source: 'Phone Directory of the Independent State of Croatia 1942 , year 1942.