Search for: [Subject and Keywords = Lakes \- Research \- Poland \- 1918\-1939] OR [Subject and Keywords = Biology \- Lakes \- Lithuania] OR [Subject and Keywords = Jeziora \- biologia badanie \- historia \- Polska \- 1918\-1939 r.] OR [Subject and Keywords = Jeziora \- flora \- Litwa] OR [Title = Stosunki florystyczne jeziora Świtezi = Relations floristiques du lac Świteź] OR [Title = Relations floristiques du lac Świteź] OR [Title = Stosunki florystyczne jeziora Świtezi = Relations floristiques du lac Świteź] OR [Title = Relations floristiques du lac Świteź] OR [Creator = Kołodziejczyk, January \(1889–1949\)] OR [Creator = Kołodziejczyk, January \(1889–1949\)]