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Butterflies from Virginia
Authors: A H Clark | L F Clark
Published in Proceedings of The Biological Society of Washington, in 1939, in volume 52, pages 177-183
Created: 2011-07-31, modified: 2011-07-31
Notes on Virginia butterflies
Authors: A H Clark | L F Clark
Published in Proceedings of The Biological Society of Washington, in 1938, in volume 51, pages 177-181
Created: 2011-07-31, modified: 2011-07-31
Some butterflies from eastern Virginia
Authors: Austin H Clark | Leila F Clark
Published in Jour Washington Acad Sci, in 1936, in volume 26, pages 66-70
Created: 2014-01-30, modified: 2025-12-03
Two new Australian crinoids
Authors: A H Clark
Published in Proceedings of the Biological Society of Washington, in 1909, in volume 22, pages 39-42
Created: 2010-11-20, modified: 2021-04-05
New Recent Indian crinoids
Authors: A H Clark
Published in Proceedings of the Biological Society of Washington, in 1909, in volume 22, pages 143-152
Created: 2010-11-20, modified: 2021-04-05
Two new crinoid genera
Authors: A H Clark
Published in Proceedings of The Biological Society of Washington, in 1908, in volume 21, pages 149-152
Created: 2011-07-31, modified: 2021-04-05
Thomas Jefferson and science
Authors: A H Clark
Published in Journal of The Washington Academy of Sciences, in 1943, in volume 33, pages 193-203
Created: 2014-01-30, modified: 2025-12-03
Butterflies of the Marshall Islands
Authors: A H Clark
Published in Proceedings of the Entomological Society of Washington, in 1951, in volume 53, pages 43-44
Created: 2011-05-06, modified: 2011-06-21
New genera of unstalked crinoids
Authors: A H Clark
Published in Proceedings of the Biological Society of Washington, in 1908, in volume 21, pages 125-136
Created: 2010-11-22, modified: 2021-04-05
The first New Zealand crinoid
Authors: A H Clark
Published in Proceedings of The Biological Society of Washington, in 1916, in volume 29, pages 48
Created: 2012-03-19, modified: 2012-03-19
A new Astroconus from South Australia
Authors: H L Clark
Published in Records of The South Australian Museum, in 1939, in volume 6, issue 3, pages 207-208
Created: 2017-10-12, modified: 2017-10-12
The origin of the vertebrates
Authors: A H Clark
Published in Journal of The Washington Academy of Sciences, in 1923, in volume 13, pages 129-138
Created: 2014-01-30, modified: 2025-12-03
A new crinoid from the Solomon Islands
Authors: A H Clark
Published in Proceedings of The Biological Society of Washington, in 1910, in volume 23, pages 7
Created: 2012-03-19, modified: 2012-03-19
New genera and species of crinoids
Authors: A H Clark
Published in Proceedings of the Biological Society of Washington, in 1908, in volume 21, pages 219-232
Created: 2010-11-20, modified: 2021-04-05
The type of the genus Comaster
Authors: A H Clark
Published in Proceedings of The Biological Society of Washington, in 1909, in volume 22, pages 87
Created: 2012-03-19, modified: 2012-03-19
A new sea-urchin from Florida
Authors: Austin H Clark
Published in Journal of The Washington Academy of Sciences, in 1934, in volume 24, pages 52-53
Created: 2012-08-30, modified: 2025-12-03
Sea-Lilies and Feather-Stars
Authors: Austin H Clark
Published in Smithsonian Miscellaneous Collections, in 1921, in volume 72, pages 1-43
Created: 2012-05-17, modified: 2012-05-17