Search for: [Subject and Keywords = nauki matematyczno\-przyrodnicze] OR [Subject and Keywords = nauka] OR [Subject and Keywords = nauka \- historia \- 19 w.] OR [Subject and Keywords = towarzystwa naukowe] OR [Subject and Keywords = oceanologia] OR [Subject and Keywords = środowisko naturalne] OR [Subject and Keywords = otwornice] OR [Subject and Keywords = Encke, Johann Franz] OR [Subject and Keywords = szkolnictwo wyższe \- Niemcy] OR [Title = Nature \: a Weekly Illustrated Journal of Science. Volume 1, 1870 March 10, No. 19]
