The Black Eagle Valerie Gargett von Spofford, Walter R.

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Nesting of Golden Eagles in the Central and Southern Appalachians von Lee, David S, Spofford, Walter R

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Eagle Days Peter Steyn von Spofford, Walter R.

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The Falconiformes: Eagles, Hawks and Falcons of the World . Leslie Brown and Dean Amadon. McGraw-Hill, New York, 1968. 2 vols., boxed. 946 pp., illus. $59.50 von Spofford, Walter R.

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Birds of Prey of the World Mary Louise Grossman John Hamlet Shelley Grossman von Spofford, Walter R.

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Implemental means for a touch control system von SPOFFORD, WALTER R

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Linearization means and method for a thermistor temperature sensing system von SPOFFORD, WALTER R

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Ornithological Literature -- Hunters of the African Sky by Peter Steyn with color plates by Graeme Arnott von Spofford, Walter R

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HOW HARVARD ACQUIRED ITS THOREAU COMMONPLACE BOOK von Spofford, Walter R.

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Observations on Two Golden Eagles von Spofford, Walter R.

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Golden Eagle 509-50214 von Spofford, Walter R.

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A Count of Bald Eagles Summering along a Shallow New England Lake von Spofford, Walter R.

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Hunters of the African Sky von Spofford, Walter R.

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Observations on the posterior part of the neural plate in Amblystoma. II. The inductive effect of the intact posterior part of the chorda-mesodermal axis on competent prospective e... von Spofford, Walter R.

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Eagle Days von Spofford, Walter R.

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Mortality of Birds at the Ceilometer of the Nashville Airport von Spofford, Walter R.

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Observations on the posterior part of the neural plate in Amblystoma. I. The prospective significance of posterior neural plate mesoderm von Spofford, Walter R.

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The Falconiformes von Spofford, Walter R.

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Hawks and Owls of North America von Spofford, Walter R.

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Birds of Prey of the World von Spofford, Walter R.

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