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Title |
Author / Artist |
Prod Type |
ISBN/ISBN-13 or UPC |
Pub Date |
Price |
| ![](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/374/9783742845733.jpg&wmax=80&hmax=80) | Die Nord-Amerikanische Vogelwelt (German) | Ridgway, Robert | Paperback | 374284573X / 9783742845733 | 08/2016 | $49.88 |
| ![](thumb.php?src=products/027/9780274337859.jpg&wmax=80&hmax=80) | Die Nordamerikanische Vogelwelt (German) | Ridgway, Robert | Hardcover | 0274337851 / 9780274337859 | 07/2018 | $37.35 |
| ![](thumb.php?src=products/374/9783742853073.jpg&wmax=80&hmax=80) | Die Nordamerikanische Vogelwelt (German) | Ridgway, Robert | Paperback | 3742853074 / 9783742853073 | 08/2016 | $61.66 |
| ![](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/053/9780530981864.jpg&wmax=80&hmax=80) | Catalogue of the Aquatic and Fish-Eating Birds Exhibited by the United Staes National Museum | United States National Museum | Paperback | 0530981866 / 9780530981864 | 03/2019 | $12.55 |
| ![](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/101/9781010610106.jpg&wmax=80&hmax=80) | The Birds Of North And Middle America: A Descriptive Catalogue Of The Higher Groups, Genera, Species, And Subspecies Of Birds Known To Occur In North | Ridgway, Robert | Hardcover | 1010610104 / 9781010610106 | 03/2019 | $46.15 |
| ![](thumb.php?src=products/137/9781378076194.jpg&wmax=80&hmax=80) | The Birds of North and Middle America: A Descriptive Catalogue of the Higher Groups, Genera, Species, and Subspecies of Birds Known to Occur in North | Ridgway, Robert | Paperback | 1378076192 / 9781378076194 | 02/2018 | $32.50 |
| ![](thumb.php?src=products/101/9781010610090.jpg&wmax=80&hmax=80) | The Birds Of North And Middle America: A Descriptive Catalogue Of The Higher Groups, Genera, Species, And Subspecies Of Birds Known To Occur In North | Ridgway, Robert | Paperback | 1010610090 / 9781010610090 | 03/2019 | $34.60 |
| ![](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/101/9781011162703.jpg&wmax=80&hmax=80) | The Birds Of North And Middle America: A Descriptive Catalogue Of The Higher Groups, Genera, Species, And Subspecies Of Birds Known To Occur In North | Ridgway, Robert | Hardcover | 1011162709 / 9781011162703 | 03/2019 | $39.85 |
| ![](thumb.php?src=products/935/9789353895235.jpg&wmax=80&hmax=80) | The birds of North and Middle America: a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North | Ridgway, Robert | Paperback | 9353895235 / 9789353895235 | 10/2019 | $12.49 |
| ![](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 |
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