Materialisticheskaia tendentsiia v filosofii istorii A. I. Gerzena E. A. Kirillova In: "Izvestiia Sibirskogo Otdeleniia Akademii Nauk SSSR. Seriia Istorii, Filologii i Filosofii". Pp 36-41. 1987 4 histories and geographies of historiography & historical consciousness Eastern European Modern historiography and historical consciousness idealism material turn