© Courtesy of the Institute of Chinese Studies, Library, Heidelberg University.
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暑熱天氣如何衛生 How to keep hygiene in hot summer weather
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觀此小孩 Look at this child
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暑熱天氣如何衛生, How to keep hygiene in hot summer weather
Brand: 韋廉士醫生藥局, Dr. Williams medicine company
Keywords: hygiene, treat disease ,
觀此小孩, Look at this child
Brand: 韋廉士醫生藥局, Dr. Williams medicine company
Keywords: children, treat disease ,
余志衡 Yu Zhiheng (mentioned in advertisement),