Search for: [Subject and Keywords = Eichler, Witold \(1874\-1960\)] OR [Subject and Keywords = medicals] OR [Subject and Keywords = entomologists] OR [Subject and Keywords = naturalists] OR [Subject and Keywords = travelers] OR [Subject and Keywords = collectors and collecting] OR [Subject and Keywords = biologists \- Poland \- biography] OR [Subject and Keywords = Eichler, Witold \(1874\-1960\)] OR [Subject and Keywords = lekarze] OR [Subject and Keywords = entomolodzy] OR [Subject and Keywords = przyrodnicy] OR [Subject and Keywords = podróżnicy] OR [Subject and Keywords = kolekcjonerzy i kolekcje] OR [Subject and Keywords = biolodzy \- Polska \- biografie] OR [Title = Witold Eichler \- portrait] OR [Title = Witold Eichler \- portret] OR [Creator = Wojciech Piasecki w Siedlcach] OR [Creator = Wojciech Piasecki w Siedlcach]