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The Admiralty and the convoy system in the Seven Years War | Analytt | 386(091)(05) M Crowhurst, R.P. / I: The Mariner's Mirror. - No.2, 1971 - 1971. - s.163-73 | Crowhurst, R.P. | 1971 |
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The voyage of the "Fitt" : a turning point in East India navigation | Analytt | 386(091)(05) M Crowhurst, R.P. / I: The Mariner's Mirror. - No.55, 1969 - 1969. - s.43-56 | Crowhurst, R.P. | 1969 |