Roman II Igorevych (ukr. Роман Ігорович, 1177/1179 – September 1211)[1] was an Olgovichi prince. He was prince of Zvenyhorod (1206–1208, 1210–1211), and of Halych (1208, 1208–1209).[1]
Benda, Kálmán (General Editor): Magyarország történeti kronológiája - A kezdetektől 1526-ig /A Historical Chronology of Hungary - From the Beginnings to 1526/; Akadémiai Kiadó, 1981, Budapest; ISBN963-05-2661-1 (the part of the book which describes the events of the period from 1197 to 1309 was written by László Solymosi).
Dimnik, Martin: The Dynasty of Chernigov - 1146-1246; Cambridge University Press, 2003, Cambridge; ISBN978-0-521-03981-9.