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Published in Entomological News Philadelphia, in 1920, in volume 31, pages 3

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Published in Entomological News Philadelphia, in 1920, in volume 31, pages 12-14

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Authors: H L Viereck

Published in Entomological News, in 1920, in volume 31, pages 16-19

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Published in Entomological News Philadelphia, in 1920, in volume 31, pages 35-44

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Authors: Crawford D L.

Published in Entomological News, in 1920, in volume 31, pages 69-70

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Published in Entomological News Philadelphia, in 1920, in volume 31, pages 70-75

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Published in Entomological News Philadelphia, in 1920, in volume 31, pages 76-79

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Published in Entomological News Philadelphia, in 1920, in volume 31, pages 91-94

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Authors: W S Fisher | A S Nicolay

Published in Entomological News, in 1920, in volume 31, pages 100-102

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Published in Entomological News Philadelphia, in 1920, in volume 31, pages 102

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Published in Entomological News Philadelphia, in 1920, in volume 31, pages 103

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Authors: Morgan Hebard

Published in Entomological News, in 1920, in volume 31, pages 126-132

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Published in Entomological News Philadelphia, in 1920, in volume 31, pages 132-134

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Authors: Frederick W Goding

Published in Entomological News Philadelphia, in 1920, in volume 31, pages 136-137

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Published in Entomological News Philadelphia, in 1920, in volume 31, pages 151-153

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Authors: Frederick W Goding

Published in Entomological News Philadelphia, in 1920, in volume 31, pages 155-159

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Published in Entomological News Philadelphia, in 1920, in volume 31, pages 165-169

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Authors: Ainslie C N

Published in Entomological News, in 1920, in volume 31, pages 169-173

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Authors: N Banks

Published in Entomological News, Philadelphia, in 1920, in volume 31, pages 176

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Published in Entomological News Philadelphia, in 1920, in volume 31, pages 186-187

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Authors: J Wagener Green

Published in Entomological News Philadelphia, in 1920, in volume 31, pages 193-201

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Authors: C P Alexander

Published in Ent News, in 1920, in volume 31, pages 215-221

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Authors: W M Mann

Published in Entomological News, in 1920, in volume 31, pages 252

Created: 2011-01-31, modified: 2011-06-21

Authors: P P Calvert

Published in Entomological News, in 1920, in volume 31, pages 253-259

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Published in Entomological News Philadelphia, in 1920, in volume 31, pages 259

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Published in Entomological News Philadelphia, in 1920, in volume 31, pages 271-274

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Published in Entomological News Philadelphia, in 1920, in volume 31, pages 275

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Published in Entomological News Philadelphia, in 1920, in volume 31, pages 277-280

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Published in Entomological News Philadelphia, in 1920, in volume 31, pages 293

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Authors: J N Knull

Published in Entomological News, in 1920, in volume 31, issue 1, pages 4-12

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Authors: L H Weld

Published in Entomological News, in 1920, in volume 31, issue 1, pages 14-16

Created: 2011-06-21, modified: 2011-10-03

Authors: A Braun

Published in Entomological News, in 1920, in volume 31, issue 3, pages 76-80

Created: 2011-12-20, modified: 2011-12-20

Authors: W J Chamberlin

Published in Entomological News, in 1920, in volume 31, issue 9, pages 241-244

Created: 2011-03-03, modified: 2011-10-03