CHAPTER II
. THE PERIOD OF THE PRINCIPALITIES (1054-1224 A.D.)
[b] A. RAMBAUD, _Histoire de la Russie_.
[c] T. SCHIEMANN, _Russland, Polen und Livland_.
[d] N. M. KARAMZIN, _History of the Russian Empire_.
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The historians' history of the world in twenty-five volumes, volume 17 : $b Switzerland (concluded), Russia and Poland
. THE PERIOD OF THE PRINCIPALITIES (1054-1224 A.D.)
[b] A. RAMBAUD, _Histoire de la Russie_.
[c] T. SCHIEMANN, _Russland, Polen und Livland_.
[d] N. M. KARAMZIN, _History of the Russian Empire_.
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