![File:Toad Mountain Harlequin Frog - Atelopus certus Barbour, 1923 female (4745510791).jpg - Wikimedia Commons File:Toad Mountain Harlequin Frog - Atelopus certus Barbour, 1923 female (4745510791).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/a/ac/Toad_Mountain_Harlequin_Frog_-_Atelopus_certus_Barbour%2C_1923_female_%284745510791%29.jpg)
File:Toad Mountain Harlequin Frog - Atelopus certus Barbour, 1923 female (4745510791).jpg - Wikimedia Commons
![A Check List of North American Amphibians and Reptiles. By Leonhard Stejneger and Thomas Barbour. Cambridge, Massachusetts, Harvard University Press. 1917. 125 pages. | Science A Check List of North American Amphibians and Reptiles. By Leonhard Stejneger and Thomas Barbour. Cambridge, Massachusetts, Harvard University Press. 1917. 125 pages. | Science](https://www.science.org/cms/10.1126/science.47.1218.440/asset/f3fd9b64-8e1c-491b-b11a-a976146953c6/assets/science.47.1218.440.fp.png)
A Check List of North American Amphibians and Reptiles. By Leonhard Stejneger and Thomas Barbour. Cambridge, Massachusetts, Harvard University Press. 1917. 125 pages. | Science
![A new locality for Barbour's Pygmy Snake (Trimetopon barbouri) in Costa Rica | Reptiles & Amphibians A new locality for Barbour's Pygmy Snake (Trimetopon barbouri) in Costa Rica | Reptiles & Amphibians](https://journals.ku.edu/public/journals/47/cover_issue_1993_en_US.png)
A new locality for Barbour's Pygmy Snake (Trimetopon barbouri) in Costa Rica | Reptiles & Amphibians
![The Reptiles and Amphibians of the Isle of Pines by Thomas Barbour - 1916 - from Buteo Books (SKU: rbett35B84) The Reptiles and Amphibians of the Isle of Pines by Thomas Barbour - 1916 - from Buteo Books (SKU: rbett35B84)](https://d3525k1ryd2155.cloudfront.net/h/130/325/69325130.0.l.2.jpg)
The Reptiles and Amphibians of the Isle of Pines by Thomas Barbour - 1916 - from Buteo Books (SKU: rbett35B84)
![A new species of terrestrial frog of the genus Noblella Barbour, 1930 ( Amphibia: Strabomantidae) from the Llanganates-Sangay Ecological Corridor, Tungurahua, Ecuador [PeerJ] A new species of terrestrial frog of the genus Noblella Barbour, 1930 ( Amphibia: Strabomantidae) from the Llanganates-Sangay Ecological Corridor, Tungurahua, Ecuador [PeerJ]](https://dfzljdn9uc3pi.cloudfront.net/2019/7405/1/fig-3-2x.jpg)
A new species of terrestrial frog of the genus Noblella Barbour, 1930 ( Amphibia: Strabomantidae) from the Llanganates-Sangay Ecological Corridor, Tungurahua, Ecuador [PeerJ]
![Reptiles and Amphibians: Their Habits and Adaptations. By Thomas Barbour, Curator of Reptiles and Amphibians in the Museum of Comparative Zoology at Harvard College. Illustrated in part by George Nelson, Preparator in Reptiles and Amphibians: Their Habits and Adaptations. By Thomas Barbour, Curator of Reptiles and Amphibians in the Museum of Comparative Zoology at Harvard College. Illustrated in part by George Nelson, Preparator in](https://www.science.org/cms/10.1126/science.64.1653.227.b/asset/7f723bb5-0eb9-4559-91b6-71c9a5d55ce4/assets/science.64.1653.227.b.fp.png)
Reptiles and Amphibians: Their Habits and Adaptations. By Thomas Barbour, Curator of Reptiles and Amphibians in the Museum of Comparative Zoology at Harvard College. Illustrated in part by George Nelson, Preparator in
![Systematics, distribution, and bibliography of the frog Leptodactylus insularum Barbour, 1906 (Amphibia: Leptodactylidae) Systematics, distribution, and bibliography of the frog Leptodactylus insularum Barbour, 1906 (Amphibia: Leptodactylidae)](https://bioone.org/ContentImages/Journals/pbsw/126/3/0006-324X-126.3.204/graphic/i0006-324X-126-3-204-f01.jpg)