See Kazimierz Stadnicki, The Sons of Gedymin (Pol.) (Lemberg, 1849-1853); Vladimir Bonifatevich Antonovich, Monograph on the History of Western Russia (Rus.), vol.
Yet they rejected with scorn and derision the pacific overtures of their political opponents, the Potoccy, the Radziwillowie, and the Braniscy, Prince Michal openly declaring that of two tyrannies he preferred the tyranny of the Muscovite to the 2 Michal Kazimierz Radziwill alone was worth thirty millions.
Tatham, John Sobieski (Oxford, 1881); Kazimierz Waliszewski, Archives of French Foreign Affairs, 1674-1696, v.