Exhibition of works by the artist P.P. Sokolov Skal for 15 years of artistic activity 1920 1935. In Russian (ask us if in doubt)./Vystavka proizvedeniy khudozhnika P.P. Sokolova Skalya za 15 let khudozhestvennoy deyatel'nosti 1920 1935. Catalogue. Moscow All-artist 1935. 16 p. SKUalbde9df3746838313a.