Researcher Vladimir Petrovich Sapon: historical surveys

The article is devoted to the analysis of scientific works of the Nizhny Novgorod historian, Vladimir Petrovich Sapon. The author outlines the directions of the creative activity of the researcher and characterized historian’s contribution to the study of left-liberal ideology and left-liberal political forces in the late imperial period of Russian history. The author tried to show the versatility of scholarly heritage of V.P. Sapon as a historian and local historian.