Chapter IV: From Ivan the Great to Ivan the Terrible (1462-1584 A.d.)

[b] R. N. BESTUZHEV-RIUMIN, _Russian History_.

[c] N. I. KOSTOMAROV, _Russian History_.

[d] P. STRAHL and E. HERMANN, _Geschichte des Russischen Staates_.

[e] A. RAMBAUD, _Histoire de la Russie_.

[f] N. KARAMZIN, _History of the Russian Empire_.

[g] R. BELL, _History of Russia_.

[h] S. M. SOLOVIOV, _History of Russia from the Earliest Times_.