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Correspondence

其他書名	Macoun (John) and Engelmann (George)
出版	1867
URL	http://books.google.com.hk/books?id=zEEIoAEACAAJ&hl=&source=gbs_api

註釋Incoming correspondence to George Engelmann from John Macoun, for 1867-1882. The correspondence relates to Isoetes description and habitat in Belleville; exchange and identification of Isoetes and other plants.