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Published in Asa Gray correspondence. Senders A, in 1893, pages 1

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Published in Asa Gray correspondence. Senders Ha, 1835-1895 (inclusive), in 1886, pages 1-2

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Published in The Auk, in 1906, in volume 23, pages 229-231

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Published in The Auk, in 1920, in volume 37, pages 84-88

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Published in Rhodora, in 1951, in volume 53, issue 627, pages 95

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Published in Rhodora, in 1951, in volume 53, issue 635, pages 271-272

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Published in Nautilis, in 1919, in volume 32, pages 101-102

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Published in Madroño, in 1954, in volume 12, issue 6, pages 190-192

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Published in Journal of The Entomological Society of British Columbia, in 2012, in volume 109, pages 6-11

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Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1888, pages 1

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Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1891, pages 1-2

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