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1द्वारा Gade, John Allyne, 1875-1955विषय “...Christian IV, King of Denmark and Norway, 1577-1648....”
प्रकाशित 1928
पुस्तक -
2द्वारा Lockhart, Paul Douglas, 1963-विषय “...Christian IV, King of Denmark and Norway, 1577-1648....”
प्रकाशित 1996
पुस्तक