首页 / 官方藏书 / Three Years' Wanderings in the Northern Provinces of China / Including a visit to the tea, silk, and cotton countries; with an account of the agriculture and horticulture of the Chinese, new plants, etc. / CHAP. XX.
首页 / 官方藏书 / Three Years' Wanderings in the Northern Provinces of China / Including a visit to the tea, silk, and cotton countries; with an account of the agriculture and horticulture of the Chinese, new plants, etc. / CHAP. XX.