Search for: [Subject and Keywords = transport maps] OR [Subject and Keywords = aerial maps] OR [Subject and Keywords = air routes] OR [Subject and Keywords = Earth] OR [Subject and Keywords = Szlaki lotnicze \-\- 1900\-1945 \-\- mapy \[KABA\]] OR [Subject and Keywords = Ziemia \(planeta\) \-\- mapy \[KABA\]] OR [Subject and Keywords = Mapy lotnicze \-\- 1900\-1945 \[KABA\]] OR [Subject and Keywords = Mapy komunikacyjne \-\- 1900\-1945 \[KABA\]] OR [Title = Air routes of the world] OR [Creator = Stany Zjednoczone. Hydrographic Office. Instytucja sprawcza. Wydawca] OR [Creator = Stany Zjednoczone. Navy Department. Instytucja sprawcza]