More detailed histories: Cambridge Modern History, Vol. V , ch. xvi-xix, and Vol. VI , ch. x, xix; Histoire generale, Vol. V, ch. xvi-xviii, xx, Vol. VI, ch. xvii-xix, xxi, xxii, Vol. VII, ch. viii, ix, excellent chapters in French by such eminent scholars as Louis Leger and Alfred Rambaud; V. 0. Kliuchevsky, A History of Russia, Eng. trans. by C. J. Hogarth, 3 vols.