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Showing 201 - 225 of 430 Results
201.
Geraniaceae : The Natural Order of Gerania, Illustrated by Coloured Figures and Descriptions...
Geraniaceae : The Natural Order of Gerania, Illustrated by Coloured Figures and Descriptions... by Sweet, Robert 1783-1835, Ri... ISBN: 9781363120413 List Price: $18.95

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202.
Geraniaceae : The Natural Order of Gerania, Illustrated by Coloured Figures and Descriptions...
Geraniaceae : The Natural Order of Gerania, Illustrated by Coloured Figures and Descriptions... by Sweet, Robert 1783-1835, Ri... ISBN: 9781363120444 List Price: $28.95

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203.
Color Standards and Color Nomenclature
Color Standards and Color Nomenclature by Ridgway, Robert 1850-1929 ISBN: 9781363153732 List Price: $13.95

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204.
Nomenclature of Colors for Naturalists : And Compendium of Useful Knowledge for Ornithologists
Nomenclature of Colors for Naturalists : And Compendium of Useful Knowledge for Ornithologists by Ridgway, Robert 1850-1929, ... ISBN: 9781363156061 List Price: $14.95

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205.
Nomenclature of Colors for Naturalists : And Compendium of Useful Knowledge for Ornithologists
Nomenclature of Colors for Naturalists : And Compendium of Useful Knowledge for Ornithologists by Ridgway, Robert 1850-1929, ... ISBN: 9781363156085 List Price: $24.95

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206.
Color Standards and Color Nomenclature
Color Standards and Color Nomenclature by Robert Ridgway ISBN: 9781421208404

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207.
Manual of North American Birds
Manual of North American Birds by Ridgway, Robert 1850-1929 ISBN: 9781363840021 List Price: $33.95

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208.
Manual of North American Birds
Manual of North American Birds by Ridgway, Robert 1850-1929 ISBN: 9781363839988 List Price: $25.95

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209.
Manual of North American Birds
Manual of North American Birds by Ridgway, Robert 1850-1929 ISBN: 9781371238773 List Price: $26.95

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210.
Manual of North American Birds
Manual of North American Birds by Ridgway, Robert 1850-1929 ISBN: 9781371238797 List Price: $35.95

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211.
Nomenclature of Colors for Naturalists : And Compendium of Useful Knowledge for Ornithologists
Nomenclature of Colors for Naturalists : And Compendium of Useful Knowledge for Ornithologists by Ridgway, Robert 1850-1929 ISBN: 9781371372880 List Price: $24.95

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212.
Nomenclature of Colors for Naturalists : And Compendium of Useful Knowledge for Ornithologists
Nomenclature of Colors for Naturalists : And Compendium of Useful Knowledge for Ornithologists by Ridgway, Robert 1850-1929 ISBN: 9781371372835 List Price: $14.95

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213.
Ornithology of Illinois; Volume 02
Ornithology of Illinois; Volume 02 by Ridgway, Robert 1850-1929 ISBN: 9781371582364 List Price: $28.95

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214.
Ornithology of Illinois; Volume 02
Ornithology of Illinois; Volume 02 by Ridgway, Robert 1850-1929 ISBN: 9781371582340 List Price: $18.95
$67.88
215.
Humming Birds (Classic Reprint)
Humming Birds (Classic Reprint) by Ridgway, Robert ISBN: 9781333629465 List Price: $10.97
$62.56
216.
The Birds of North and Middle America, Vol. 7: A Descriptive Catalogue of the Higher Groups,...
The Birds of North and Middle America, Vol. 7: A Descriptive Catalogue of the Higher Groups,... by Ridgway, Robert, Robert Rid... ISBN: 9780243008452 List Price: $19.57
$76.24
217.
The Birds of North and Middle America, Vol. 3: A Descriptive Catalogue of the Higher Groups,...
The Birds of North and Middle America, Vol. 3: A Descriptive Catalogue of the Higher Groups,... by Ridgway, Robert, Robert Rid... ISBN: 9781334630873 List Price: $24.00
$80.10
218.
The Birds of North and Middle America, Vol. 5: A Descriptive Catalogue of the Higher Groups,...
The Birds of North and Middle America, Vol. 5: A Descriptive Catalogue of the Higher Groups,... by Ridgway, Robert, Robert Rid... ISBN: 9781334631429 List Price: $25.65
$82.18
219.
Outlines of a Natural Arrangement of the Falconidae (Classic Reprint)
Outlines of a Natural Arrangement of the Falconidae (Classic Reprint) by Ridgway, Robert, Robert Rid... ISBN: 9781334726958 List Price: $7.97
$57.50
220.
Birds of the Galapagos Archipelago - Scholar's Choice Edition
Birds of the Galapagos Archipelago - Scholar's Choice Edition by Robert Ridgway ISBN: 9781293951316 List Price: $25.75

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221.
Outlines of a Natural Arrangement of the Falconidae
Outlines of a Natural Arrangement of the Falconidae by Robert Ridgway ISBN: 9781359774200 List Price: $19.95
$69.97
222.
The Ornithology of Illinois, Vol. 1: Part I. Descriptive Catalogue; Part II. Economic Ornith...
The Ornithology of Illinois, Vol. 1: Part I. Descriptive Catalogue; Part II. Economic Ornith... by Robert Ridgway ISBN: 9781333332112 List Price: $19.57
$72.82
223.
The Birds of North and Middle America, Vol. 1: A Descriptive Catalogue of the Higher Groups,...
The Birds of North and Middle America, Vol. 1: A Descriptive Catalogue of the Higher Groups,... by Robert Ridgway ISBN: 9781333070991 List Price: $23.57
$78.16
224.
The Birds of North and Middle America: A Descriptive Catalogue of the Higher Groups, Genera,...
The Birds of North and Middle America: A Descriptive Catalogue of the Higher Groups, Genera,... by Ridgway, Robert, Friedmann,... ISBN: 9781354260630 List Price: $25.95

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225.
The Birds of North and Middle America: A Descriptive Catalogue of the Higher Groups, Genera,...
The Birds of North and Middle America: A Descriptive Catalogue of the Higher Groups, Genera,... by Ridgway, Robert, Friedmann,... ISBN: 9781354260647 List Price: $29.95

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