1.
Vulture Biology and Management
by Wilbur, Sanford R., Jackson...
ISBN: 9780520047556
List Price: $52.50
3.
The California Condor, 1966-76: A Look at its Past and Future: U.S. Fish and Wildlife Service
by Wilbur, Sanford R.
ISBN: 9781140603146
List Price: $20.75
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Nine Feet from Tip to Tip: The California Condor Through History
by Sanford R. Wilbur
ISBN: 9780965126342
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The California Condor, 1966-76: A Look at its Past and Future: U.S. Fish and Wildlife Service
by Wilbur, Sanford R.
ISBN: 9781140603139
List Price: $28.99
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The California Condor, 1966-76: A Look at its Past and Future: U.S. Fish and Wildlife Servic...
by Sanford R. Wilbur
ISBN: 9781297464300
List Price: $21.75
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McCully Train: Iowa to Oregon 1852
by Wilbur, Sanford R., Wilbur,...
ISBN: 9780965126328
List Price: $14.95
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Condor Tales What I Learned in Twelve Years with the Big Birds
by Wilbur, Sanford R.
ISBN: 9780965126335
10.
California Condor, 1966-76 : A Look at Its Past and Future: U. S. Fish and Wildlife Service
by Wilbur, Sanford R.
ISBN: 9781017164749
List Price: $25.95
11.
California Condor, 1966-76 : A Look at Its Past and Future: U. S. Fish and Wildlife Service
by Wilbur, Sanford R.
ISBN: 9781017174007
List Price: $14.95
12.
California Condor, 1966-76 : A Look at Its Past and Future: U. S. Fish and Wildlife Service
by Wilbur, Sanford R.
ISBN: 9781010440840
List Price: $12.95
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The California Condor, 1966-76: A Look at its Past and Future: U.S. Fish and Wildlife Service
by Sanford R. Wilbur
ISBN: 9781010440857
List Price: $22.95
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The California Condor, 1966-76: A Look at Its Past and Future (Classic Reprint)
by Sanford R. Wilbur
ISBN: 9780259412540
List Price: $9.57
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California Condor, 1966-76 : A Look at Its Past and Future (Classic Reprint)
by Wilbur, Sanford R.
ISBN: 9780266431831
List Price: $26.95