Diamond Workers Occupational Census of 1899
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This dataset is built using the Occupational Census of 1899. It contains all the diamond workers found in the different provinces plus other workers employed by the diamond...
本数据集基于1899年职业普查（Occupational Census）构建而成，收录了分布于各省份的全部钻石行业从业者，以及钻石行业所雇佣的其他从业人员……
