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Silurian trilobites from Maine
Authors: H B Whittington | K S Campbell
Published in Bulletin of The Museum of Comparative Zoology, in 1967, in volume 135, pages 447-482
Created: 2009-12-23, modified: 2011-06-21
Simple arthropod activity monitor
Authors: G D Campbell | E N Smith
Published in Pan-Pacific Entomologist, in 1975, in volume 51, issue 4, pages 328-329
Created: 2017-07-23, modified: 2017-07-23
Granite landforms
Authors: E M Campbell
Published in Journal of The Royal Society of Western Australia, in 1997, in volume 80, issue 3, pages 101-112
Created: 2020-06-15, modified: 2020-06-15
Lea,isaac Virginia Neogene Species
Authors: L D Campbell | S C Campbell
Published in American Malacological Bulletin, in 1986, in volume 4, issue 1, pages 39-42
Created: 2014-09-21, modified: 2014-09-21
Campbell, Douglas H. Nov. 13, 1891
Authors: Douglas H Campbell
Published in Asa Gray correspondence. Senders Ca-Cl, in 1891, pages 1
Created: 2017-06-24, modified: 2017-06-24
Annotations
Authors: A J Campbell
Published in The Emu, in 1909, in volume 8, pages 142-148
Created: 2017-10-11, modified: 2022-12-02
Annotations
Authors: A J Campbell
Published in The Emu, in 1911, in volume 10, pages 337-339
Created: 2017-10-11, modified: 2022-12-02
Annotations
Authors: A J Campbell
Published in The Emu, in 1912, in volume 11, pages 245-248
Created: 2017-10-11, modified: 2022-12-02
A Query
Authors: D H Campbell
Published in Botanical Gazette, in 1887, in volume 12, issue 8, pages 198
Created: 2017-03-14, modified: 2017-03-14
An Acknowledgment
Authors: Douglas H Campbell
Published in Botanical Gazette, in 1888, in volume 13, issue 2, pages 40
Created: 2017-03-14, modified: 2017-03-14