Milicje Radziwiłłów jako oręż feudałów w walce z ruchami chłopskimi na Białorusi i Litwie = Milicii Radzivillov, kak oružie v bor'be s krest'ânskimi dviženiâmi v Litve i Belorussii = The Militias of the Radziwiłłs in their Struggle against Peasants' Movements in Lithuania and White Russia / Marian J. Lech. - Lech, Marian Julian