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Memoir of Joseph Leidy, M. D., LL. D
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1891, in volume 43, pages 342-388
Created: 2013-03-02, modified: 2013-03-02
Viviparous butterflies
Published in Entomologist's Record London, in 1911, in volume 23, pages 233
Created: 2016-09-01, modified: 2016-09-01
What is a species?
Published in Entomologist's Record London, in 1923, in volume 35, pages 62-64
Created: 2016-09-01, modified: 2016-09-01
Mosses of El Salvador
Published in Journal of The Washington Academy of Sciences, in 1946, in volume 36, pages 219-225
Created: 2015-03-16, modified: 2015-03-16
Butterflies at rest
Published in Entomologist's Record London, in 1906, in volume 18, pages 168-170
Created: 2016-09-01, modified: 2016-09-01
A visit to Le Lautaret
Published in Entomologist's Record London, in 1914, in volume 26, pages 1-5
Created: 2016-09-01, modified: 2016-09-01
Chapman, Alvan W. undated
Published in Asa Gray correspondence. Senders Ca-Cl, pages 1
Created: 2017-06-24, modified: 2017-06-24
Communications
Published in The Wilson Bulletin, in 1934, in volume 46, issue 1, pages 71-72
Created: 2016-12-04, modified: 2016-12-04
Notes on Callophrys avis
Published in Entomologist's Record London, in 1910, in volume 22, pages 245-248
Created: 2016-09-01, modified: 2016-09-01
Notes from the Pyrenees
Published in Entomologist's Record London, in 1908, in volume 20, pages 50-53
Created: 2016-09-01, modified: 2016-09-01