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Published in Asa Gray correspondence. Senders B-Ba, in 1891, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1891, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1891, pages 1-2

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Published in The Wilson Bulletin, in 1948, in volume 60, issue 1, pages 5

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Published in Life Sciences Occasional Papers Royal Ontario Museum, in 1969, in volume 13, pages 1-4

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Published in The Auk, in 1918, in volume 35, pages 233-234

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Published in Botanical Gazette, in 1886, in volume 11, issue 1, pages 1-6

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Published in Botanical Gazette, in 1887, in volume 12, issue 7, pages 150-152

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Published in Life Science Contributions. Royal Ontario Museum, in 1972, in volume 85, pages 1-32

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Published in Journal of The Entomological Society of British Columbia, in 1997, in volume 94, pages 3-6

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Published in Life sciences contributions. Royal Ontario Museum, in 1979, in volume 119, pages 1-19

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Published in Memoirs of the Carnegie Museum, in 1920, in volume 7, issue 6, pages 399-476

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Published in Bulletin of The British Museum (Natural History), Entomology, in 1972, in volume 27, pages 187-214

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