Dubman Eduard L. RussiaSamaraSamara National Research University, 34 Moskovskoye Hwy, Samara 443086, RussiaProfessor at the Department of Russian HistoryDoctor of Historydubmane@mail.ru Author's articles Review of the book Y. N. Rabinovich «Governors of the left bank of Saratov (1616–1641)» (Saratov: IC «Science», 2013. - 158 p.) Some Source Research Problems of Studying the Monastery Development of the Southern Middle Volga Region in the Second Half of the XVII Century