Search for: [Subject and Keywords = Hausner, Artur Walenty \(1869\-1941\)] OR [Subject and Keywords = Supreme National Committee] OR [Subject and Keywords = foreign relations] OR [Subject and Keywords = Polska] OR [Subject and Keywords = United States of America] OR [Subject and Keywords = reports] OR [Subject and Keywords = Stany Zjednoczone Ameryki \(USA\)] OR [Subject and Keywords = Polska] OR [Subject and Keywords = Hausner, Artur Walenty \(1869\-1941\)] OR [Subject and Keywords = Naczelny Komitet Narodowy] OR [Subject and Keywords = stosunki zagraniczne] OR [Subject and Keywords = sprawozdania] OR [Title = Sprawozdania Artura W. Hausnera z misji do Ameryki 1914\-1915 i okruchy materiałów do działalności placówek zagranicznych NKN w latach 1916\-1918] OR [Creator = Hausner, Artur Walenty \(1869\-1941\)]