. . "Oldřich John"@en . . . "John"@en . "O." . . "1940" . . . "Oldrich John" . "John, Oldřich, RNDr" . "Oldrich" . . . . "Oldřich"@en . "RNDr Oldřich John" . "O. John" . "Olďrich John" . "http://www.wikidata.org/entity/Q6581097" . "Olďrich" . . "O. John" . . .