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| A Plan of Dunkirk as first walled round in 960.
A Plan of Dunkirk as first Fortified in 1400.
A Plan of Dunkirk as it was Fortified in 1658. Ref: P/28284 Engraver: Jefferys, Thomas
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| A Plan of Dunkirk, as it was Fortified by Marshal de Vauban, before the Demolition. Ref: P/28288 Engraver: Jefferys, Thomas
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| A Plan of Gravelines, with the New Canal and the Course of the River Aa to the Sea. Ref: P/28289 Engraver: Jefferys, Thomas
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| Plan of Calais with the Sluices proposed, for Deepening the Harbour and Channel between the Jetties. Ref: P/28280 Engraver: Jefferys, Thomas
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