. . "Pokrass"@fr-FR . . "Pokrass" . "1897" . "Samuil Âkovlevič Pokrass"@pl-PL . "Samuel" . "Samuel Yakovlevich" . "http://www.wikidata.org/entity/Q6581097" . . "Samuel Pokrass"@de-DE . "Samuil Pokrass" . . "Samuel Yakovlevich Pokrass" . "Pokrass" . . "S." . "Sam" . "Sam Pokrass" . "Âkovlevič" . . "1939-06-15" . "Samuil" . "S. Pokrass" .