Map of coastal defense around Humen published by 1838 by Qing officials
<p>Lu Kun(1772–1835) 盧坤
Chen Hong-Shi(1758-?) 陳鴻墀
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Deng Tingzhen(1776－1846) 鄧廷楨
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《廣東海防彙覽》虎門海防圖