Search for: [Subject and Keywords = Landowski, Jan \(1913\-1972\)] OR [Subject and Keywords = naturalists] OR [Subject and Keywords = zoologists] OR [Subject and Keywords = promoters of science] OR [Subject and Keywords = zoo Warsaw \- staff] OR [Subject and Keywords = zoo Warsaw \- elephants] OR [Subject and Keywords = biologists \- Poland \- biography] OR [Subject and Keywords = Landowski, Jan \(1913\-1972\)] OR [Subject and Keywords = przyrodnicy] OR [Subject and Keywords = zoolodzy] OR [Subject and Keywords = popularyzatorzy nauki] OR [Subject and Keywords = zoo Warszawa \- pracownicy] OR [Subject and Keywords = zoo Warszawa \- słonie] OR [Subject and Keywords = Biolodzy \-\- Polska \-\- biografie] OR [Title = Jan Landowski] OR [Title = Jan Landowski] OR [Creator = Rząśnicki, Adolf \(1884–1953\)] OR [Creator = Rząśnicki, Adolf \(1884–1953\)]