See Kazimierz Stadnicki, The Sons of Gedymin (Pol.) (Lemberg, 1849-1853); Vladimir Bonifatevich Antonovich, Monograph on the History of Western Russia (Rus.), vol.
Antonovich (Rus.) (St Petersburg, 1866); A.
For many of the original songs and legends we must turn to the work of Messrs Antonovich and Dragomanov.
See Teodor Narbutt, History of the Lithuanian nation (Pol.) (Vilna, 1835); Antoni Prochaska, On the Genuineness of the Letters of Gedymin (Pol.) (Cracow, 1895); Vladimir Bonifatovich Antonovich, Monograph concerning the History of Western and Southwestern Russia (Rus.) (Kiev, 1885).