Title: The Northern Wars: War, State and Society in Northeastern Europe, 1558 - 1721 / Edition 1, Author: Robert I. Frost
Title: The Oxford History of Poland-Lithuania: Volume I: The Making of the Polish-Lithuanian Union, 1385-1569, Author: Robert I. Frost
Title: After the Deluge: Poland-Lithuania and the Second Northern War, 1655-1660, Author: Robert I. Frost
Title: After the Deluge: Poland-Lithuania and the Second Northern War, 1655-1660, Author: Robert I. Frost