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1Dahkki Carlyle, Thomas, 1795-1881“...Prussia (Germany) History Frederick II, 1740-1786....”
Almmustuhtton 1869
Girji -
2Dahkki Cookson, Suzanne (Suzanne Louise), 1971-“...Prussia (Germany) History Frederick II, 1740-1786....”
Almmustuhtton 1994
Oahppočájánas Girji