Gosudarstvennyĭ muzeĭ A.S. Pushkina -- Exhibitions. / http://id.loc.gov/authorities/names/n86016483 http://id.loc.gov/authorities/subjects/sh99001275 : The romantic vision of Caspar David Friedrich : paintings and drawings from the U.S.S.R. / essays by Robert Rosenblum and Boris I. Asvarishch ; edited by Sabine Rewald
