Memorials of George Engelmann and of Oswald Heer

Asa Gray

doi:10.2475/ajs.s3-28.163.61

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Gray, A. (1884). Memorials of George Engelmann and of Oswald Heer. American Journal of Science, s3-28(163), 61–69. https://doi.org/10.2475/ajs.s3-28.163.61

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