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Observations on Modern Systems of Fortification including that proposed by M.Carnot, | Bok | 623.1 Douglas, Sir Howard. / - London, : John Murray,, 1859. [Bok]. - 283 s. - Språk: Engelsk | Douglas, Sir Howard. | 1859 |
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On Naval Warfare with Steam, | Bok | 359.42 Douglas, Sir Howard. / - London, : John Murray,, 1860. [Bok]. - 175 s. - Språk: Engelsk | Douglas, Sir Howard. | 1860 |