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Title |
Author / Artist |
Prod Type |
ISBN/ISBN-13 or UPC |
Pub Date |
Price |
| ![](thumb.php?src=products/117/9781173838003.jpg&wmax=80&hmax=80) | The Water Birds of North America, Volume 12 | Baird, Spencer Fullerton | Paperback | 1173838007 / 9781173838003 | 07/2011 | $38.48 |
| ![](thumb.php?src=products/034/9780342672332.jpg&wmax=80&hmax=80) | Color Standards and Color Nomenclature | Ridgway, Robert | Hardcover | 0342672339 / 9780342672332 | 10/2018 | $28.55 |
| ![](thumb.php?src=products/137/9781376254419.jpg&wmax=80&hmax=80) | Birds Of The Galapagos Archipelago | Ridgway, Robert | Paperback | 1376254417 / 9781376254419 | 08/2017 | $18.85 |
| ![](thumb.php?src=products/034/9780341987994.jpg&wmax=80&hmax=80) | Birds of the Galapagos Archipelago | Ridgway, Robert | Paperback | 0341987999 / 9780341987994 | 10/2018 | $18.85 |
| ![](thumb.php?src=products/035/9780353381087.jpg&wmax=80&hmax=80) | Color Standards and Color Nomenclature | Ridgway, Robert | Paperback | 035338108X / 9780353381087 | 11/2018 | $24.26 |
| ![](thumb.php?src=products/137/9781378607695.jpg&wmax=80&hmax=80) | The Ornithology of Illinois Volume 2: 1 | Ridgway, Robert | Paperback | 1378607694 / 9781378607695 | 02/2018 | $24.65 |
| ![](thumb.php?src=products/034/9780343943615.jpg&wmax=80&hmax=80) | Birds of the Galapagos Archipelago | Ridgway, Robert | Hardcover | 0343943611 / 9780343943615 | 10/2018 | $37.76 |
| ![](thumb.php?src=products/135/9781359774200.jpg&wmax=80&hmax=80) | Outlines of a Natural Arrangement of the Falconidae | Ridgway, Robert | Hardcover | 1359774203 / 9781359774200 | 05/2016 | $25.60 |
| ![](thumb.php?src=products/034/9780343332020.jpg&wmax=80&hmax=80) | Color Standards And Color Nomenclature | Ridgway, Robert | Paperback | 0343332027 / 9780343332020 | 10/2018 | $19.90 |
| ![](thumb.php?src=products/134/9781340273279.jpg&wmax=80&hmax=80) | A Nomenclature of Colors for Naturalists: And Compendium of Useful Knowledge for Ornithologists | Ridgway, Robert | Hardcover | 1340273276 / 9781340273279 | 08/2015 | $28.30 |
| ![](thumb.php?src=products/034/9780343415334.jpg&wmax=80&hmax=80) | Birds of the Galapagos Archipelago | Ridgway, Robert | Paperback | 034341533X / 9780343415334 | 10/2018 | $16.45 |
| ![](thumb.php?src=products/034/9780342672325.jpg&wmax=80&hmax=80) | Color Standards and Color Nomenclature | Ridgway, Robert | Paperback | 0342672320 / 9780342672325 | 10/2018 | $19.90 |
| ![](thumb.php?src=products/034/9780344114892.jpg&wmax=80&hmax=80) | Color Standards and Color Nomenclature | Ridgway, Robert | Hardcover | 0344114899 / 9780344114892 | 10/2018 | $38.66 |
| ![](thumb.php?src=products/035/9780353464407.jpg&wmax=80&hmax=80) | Birds of the Galapagos Archipelago | Ridgway, Robert | Hardcover | 0353464406 / 9780353464407 | 11/2018 | $37.76 |
| ![](thumb.php?src=products/137/9781378914557.jpg&wmax=80&hmax=80) | The Humming Birds | Ridgway, Robert | Paperback | 1378914554 / 9781378914557 | 03/2018 | $16.45 |
| ![](thumb.php?src=products/035/9780353381094.jpg&wmax=80&hmax=80) | Color Standards and Color Nomenclature | Ridgway, Robert | Hardcover | 0353381098 / 9780353381094 | 11/2018 | $38.66 |
| ![](thumb.php?src=products/034/9780343332037.jpg&wmax=80&hmax=80) | Color Standards And Color Nomenclature | Ridgway, Robert | Hardcover | 0343332035 / 9780343332037 | 10/2018 | $30.40 |
| ![](thumb.php?src=products/034/9780341988007.jpg&wmax=80&hmax=80) | Birds of the Galapagos Archipelago | Ridgway, Robert | Hardcover | 0341988006 / 9780341988007 | 10/2018 | $27.45 |
| ![](thumb.php?src=products/035/9780353464391.jpg&wmax=80&hmax=80) | Birds of the Galapagos Archipelago | Ridgway, Robert | Paperback | 0353464392 / 9780353464391 | 11/2018 | $22.46 |
| ![](thumb.php?src=products/101/9781011371020.jpg&wmax=80&hmax=80) | The Ornithology Of Illinois | Ridgway, Robert | Hardcover | 1011371022 / 9781011371020 | 03/2019 | $37.75 |
| ![](thumb.php?src=products/034/9780344114885.jpg&wmax=80&hmax=80) | Color Standards and Color Nomenclature | Ridgway, Robert | Paperback | 0344114880 / 9780344114885 | 10/2018 | $24.26 |
| ![](thumb.php?src=products/137/9781377025636.jpg&wmax=80&hmax=80) | A Nomenclature of Colors for Naturalists: And Compendium of Useful Knowledge for Ornithologists | Ridgway, Robert | Paperback | 1377025632 / 9781377025636 | 02/2018 | $16.75 |
| ![](thumb.php?src=products/101/9781011371013.jpg&wmax=80&hmax=80) | The Ornithology Of Illinois | Ridgway, Robert | Paperback | 1011371014 / 9781011371013 | 03/2019 | $29.40 |
| ![](thumb.php?src=products/034/9780343943608.jpg&wmax=80&hmax=80) | Birds of the Galapagos Archipelago | Ridgway, Robert | Paperback | 0343943603 / 9780343943608 | 10/2018 | $22.46 |
| ![](thumb.php?src=products/137/9781378118962.jpg&wmax=80&hmax=80) | The Ornithology of Illinois: V.2 Pt.1 | Ridgway, Robert | Paperback | 1378118960 / 9781378118962 | 02/2018 | $19.75 |
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