Search for: [Subject and Keywords = Kórnik Arboretum] OR [Subject and Keywords = The Ottawa Lilac] OR [Subject and Keywords = Syringa Prestonae] OR [Subject and Keywords = dendrologia] OR [Subject and Keywords = Arboretum Kórnickie] OR [Subject and Keywords = lilak ottawski] OR [Subject and Keywords = Syringa Prestonae] OR [Title = The Ottawa Lilac \(Syringa Prestonae McKelvey\) and its varieties] OR [Title = Lilak ottawski \(Syringa Prestonae McKelvey\) i jego odmiany] OR [Creator = Bugała, Władysław]